n55 crankshaft upgraden55 crankshaft upgrade

Your best course of action is to move to an aftermarket system. Displacement: 2979 cm 3 / 181.8 inch 3. Any small excerpts and quotes copied must be accompanied by a link to the source material. Very good source of info! Thats alright for normal driving but much too hot for anything else. Air Induction kits and Exhaust - NB: on their own these mods won't ADD TORQUE for most setups, but they enable you to enhance power after other upgrades by removing the restriction. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '95a320c9-3296-4e09-83b0-65ae33cb818e', {"useNewLoader":"true","region":"na1"}); BMWs N55 engine was the Bavarians powerhouse of the 2010s and has since become a tuners delight. Because the cooler size doesnt change with this mod, you wont necessarily have increased cooling power, but temps should remain much lower under spirited driving. LAKE ZURICH, IL 60047 While it isnt going to add any real performance, per se, it certainly gives your F30 more presence when the hood is popped to show you care just as much about presentation as you do power. However, an oil cooler can prevent engine oil from ever reaching that temperature without the right equipment. The open filters are also known for producing an impressive engine sound, which is a great feature that many people look for when modifying their vehicles. Sounds like you knocked out some good preventative maintenance. Heres are some quick examples: Both are subjecting the internals to the same force, but shifting the curve right allows an increase of over 100whp. Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we . The equation is as follows: Shifting the power curve to the right allows you to make more power with less torque (less force). Free shipping for many products! Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts. Each engine responds better to more or less aggressive cam durations so set your engine up on a rolling road. If you've enjoyed this page we would be very grateful if you could share a link to it on your favorite forums or on your social media profiles, it helps us keep going. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. These are often the first parts to let go on the N55. Tuning and supporting mods are one of the most important topics. Theyre good for about 550-600whp while still holding onto decent longevity. However, N55 engines receive a standard cast crank. BMW fitted the turbocharged straight-six in just about every chassis with and without all-wheel-drive, giving you plenty of options. The best cars and ultimate must drivesRead more MPG calculator UK miles per Gallon calculate MPGRead more 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. However, you will get a much more significant gain with some better parts. I think i have an OCZ, some hoses, and a window regulator somewhere. Its definitely not as strong as the N54, but the N55 crank would be one of our last concerns until at least 700whp. Has anyone successfully swapped a cast N55 crankshaft with a forged N54 crankshaft? These days, you can find an N55-equipped BMW just about anywhere. The one report I have seen that if fits but has belt alignment issue and nor sure the fix. The list goes on. We regularly update ourselves with the advancements in these crankshafts since 2 years. It was available in just about every chassis BMW used during its life, including the F01 7-series, F16 X6, and the F87 M2. Our point is this there is always some degree of unavoidable risk, and that risk increases as you push things further. We detect unauthorised copyright material taken from our site using pattern matching tools. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. . Stock N55 Limits - Crankshaft (700+whp) N55 cranks are a tough one. Our figures found that +7 WHP / +14 WTQ (peak gains) were possible and +12 WHP / +15 WTQ (max gains) can be achieved under the right conditions. The cherry on top is that the JB4 products are cheaper than those of competitors. Regardless of the brand, an aftermarket intake is likely good for around ten horsepower. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $59+ *exclusions apply. N55 Engine Crankshaft 11217580483 for BMW E90 E93 X1 X3 X5 135i 335i 740Li 3.0L. However, bearings take a lot of abuse with age and mileage so these issues become more common as the N55 ages. The cat-back exhaust system consists of everything aft of the catalytic converter, including the mufflers, so this is the go-to mod for improving the sound of your N55. After the bearings were installed, I test fitted the crankshaft in the engine with Plastigauge on all of the journal, torqued the crankshaft bolts and then took it back apart. Which helps us keep our guides and tips up to date helping others with their modified car projects. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). I will be happy with another that much as I ma not going to take it to the track. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. Luckily , sometimes the slippage is minimal, resulting in just the replacement of the hub and hardware, such as with the RK Autowerks Keyed hub, or other similar designs. Crank Hub Replacement S55 and N55. Cancel. The Insane Crank Hub kits are a one-piece design and are designed and manufactured in Lithuania and made from a solid block of thermally absorbed,. This can be used on a small block ford, worked absolutely perfectly. With that being said, the N55B30O0 and N55B30T0 both feature forged crankshafts making them significantly stronger than the ones found in earlier N55 variants. However, proper supporting mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy. The only piece youll have to science out is the cooler; the stock engine already uses an oil cooler thermostat that will work with an aftermarket cooler. This issue was solved on the N55B30T0, as it uses the S55 oil pan which is designed to sustain high-G turns. The engine control unit (ECU) is the brain of every modern engine. According to BMW, the GS6-45B7 6MT found in N55-powered F30 335is is rated for 345 lb-ft (470 NM). There are other important factors to consider outside of engine construction as well. Ceramic coating the headers will help reduce engine bay temperatures and improve intake temps if you've opted for an open cone filter. Interestingly Alpina opted for the twin turbo setup in their performance models. Well avoid getting too technical and writing on and on about this. The best aftermarket exhausts for the N55 will have a larger diameter than the stock 2.5 exhaust and stainless steel construction. Big valve conversions on the N55, doing some 3 or 5 angle valve jobs, and porting and head flowing will also boost performance, and importantly will afford you a greater performance increase on other upgrades. Save my name, email, and website in this browser for the next time I comment. Knurled retaining nut that holds the degree wheel in place. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it set up properly.). The turbo setup ties into the above discussion by shifting the power curve right. Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we have come to know as a slipped or Spun crank hub. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. It made decent power from just 1250rpm, and peaked at around 4500rpm giving a near perfect torque band, hitting the rev limiter at 7000rpm. Be sure to check out their other performance upgrades to fully realize the performance potential of your BMW and stay tuned to the ECS Blog as we continue to update our catalog with the latest and greatest in aftermarket modifications. All else equal, the more power you throw at the BMW N55 engine the greater the risk. You can use the M2 airbox as an OE upgrade, but the results will be minimal. N55 cranks are a tough one. Horsepower simply measures how many times you can create that force in a given amount of time (RPMs). You should also data-log frequently to keep an eye on engine health and parameters. Rods, pistons, and bearings are a few areas that will first cause trouble. All E series N55s use PWG. Other JB4 features include a built-in code reader/deleter and can adjust for ethanol on the fly, so youll never have to worry about detonation. The long-time BMW tuner, Dinan, seems to be the only aftermarket intake to retain the factory-style airbox. S55/N55 Crank Hub Upgrade. Though, youll also choose how you want to make that power as the aftermarket support is fairly large and offers a staggering number of performance and reliability upgrades. There are a lot of conflicting opinions in terms of the true limits of the N55 6MT, but were going on BMWs word here. Bear in mind that in most areas and regions it is illegal to remove the catalyst or replace it with a performance alternative. Issues relating to the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) widely known, but these are fully addressed with the installation of the MMR Performance one-piece billet Crank Hub together with our Capture Plate for ultimate security. Must-Have BMW N55 Upgrades For Performance & Reliability. Our hub uses our proprietary "Spline Lock" technology that uses high tolerance machined splines that press into the crank, and positively lock the hub to the crank. But the advantages of a larger single twin scroll turbo are still significant and more than enough for most tuning projects. As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. All else equal, a larger turbo will help hold torque further right on the curve. To make the search for power a bit easier, check out this guide to boosting the performance of your boosted BMW engine. Flukey failures happen. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger.It also won three straight Ward's 10 Best Engines awards in 2011-2013.. Twin scroll turbo units divert the exhaust flow into two channels and direct these at differently angled vanes in the turbocharger. I wouldnt skimp on safety. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. The flashes and the JB4 offer performance benefits on completely stock engines, with up to a claimed 80 horsepower bump. On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. The more air to get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. Our advertising partners also use cookies. You should know everything thats going on with your N55. Thanks. Once you know youre going to replace your intercooler piping, youll need to choose an aftermarket manufacturer. You dont need better-performing parts to grab an improved tune, either. Those are a few known issues that are pretty common with age and mileage. Here are some of our favorites from Europe. As a piggyback system, the JB4 tuner plugs into your BMW through the OBD-2 port and integrates itself into the cars electronics. Keep in mind the internet can quickly blow things out of proportion. You will also have full access to Thanks, that brings me to some further questions.. BMW switched to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21. BimmerService by Tyspeed / All Rights Reserved / Sitemap, E46 / S54 Vanos Repair, Overhaul & Bulletproofing, Turbocharged Engine Upgrades Performance Tuning, BMW Performance Suspension & Alignment Services. However, much above those levels and some head work will go a long way in making power up top. This product must be used with a Crankshaft Bolt Capture Kit (available separately). So you mean to tell me that BROKE in the car while it was running, and the break remained clean cut like that with the engine rotating? Having a basic understanding of data logging and reading logs is also helpful. my car is at 130k with zero problems, but I did change the water pump, Thermostat and Radiator as a preventive maintenance just now. When youre focused on horsepower, it doesnt seem too appealing to spend $500 on a mod that doesnt really produce meaning performance gains. It bolts-up straight to the turbocharger and passes air from the turbo to the cat-back portion of the full exhaust system. Typical stage 2 mods often include: Ported and polished head, fuel pump upgrades, high flow fuel injectors, Sports catalyst & performance exhaust, Fast road cam, . Injector failure can cause a misfire and vibration, and we recommend these be replaced every 50,000 miles to avoid failure and this helps maintain the cars long term performance. Carbon build-up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. Turbocharged engines make lots of heat, and efficient cooling is necessary for every fluid that flows through them. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. Any power limits we discuss in this article are estimates. Compatibility: for fo-rd 6.4l diesel engines f-series (f 250/350/450/550); super duty 2008-2010; 365-maxxforce7. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. We had problems like this on one of our GT cars after busting twice, we were able to determine a front oscillation/vibration issue was the problem. In fact, we have. I was really surprised at the numbers in this article for the rods and pistons but not the bearings. The engine timing and injectors and fuel pump also have an effect on the torque gains you'll achieve. 215.462.4666 [email protected] . Remapping Diesels Here is a pic of a broken ls crank to show LS cranks are flawed too. Check these out to see just how in-depth we go to make them. E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions, N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning, https://bmw. Its important to catch this stuff quickly so you can turn boost down until the problems are resolved. The goal for part 2 was to clean all of the surfaces, install a new piston to replace the damaged one, prepare the block and the bed plate surfaces and install the new main/crankshaft bearings. Although still a guess, depending on the condition. Its a lot easier to make a given amount of power at higher RPMs. Menu. $999.95. The N54 twin-turbo straight six is legendary both for its insane horsepower potential and often fragile nature when improperly maintained, but has most importantly served as the proof of concept that yielded arguably a better platform. I didn't find too much except the one post.. Track day insurance For example, the M2 uses the same airbox as the 335i but has an additional hole for improved flow. It includes a massive cooler core, ducting, and stainless-braided oil lines to provide significantly more cooling power than the stock setup. There were two primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences. Issues relating to the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) widely known, but these are fully addressed with the installation of the MMR Performance one-piece billet Crank Hub together with our Capture Plate for ultimate security. An oil change interval of 3,000 to 5,000 miles is also a good idea. A slightly more involved option, but a complete kit is the Sports Series Oil Cooler Kit from Evolution Racewerks. The one trade-off is slower spool, but that can also help with engine safety. Altering your camshaft will make a dramatic difference to the engine bhp. VTT "Spline Lock" Crank hubs are CNC manufactured from 440C tool Steel with a Rockwell rating of HRC60 for the ultimate in durability, and toughness. These 5 come in under $10,000. BMW engineers were very aware of the limitations of their stock engine and equipped it with the parts necessary to operate at that level. Happy wrenching! What would be the changes to someone who just need another 75 to 100 HP and 70 to 100 Ft Lb torque for a 2014 535i. If you are looking for more N55 content, check out our Ultimate BMW N55 Engine Guide. Finally, were circling back to one of our early comments. I just need some more power to keep up with the new powerful cars. Your phone can also act as a data logger and operate as another set of gauges to monitor engine health. Burger Motorsports and FTP Motorsports sell revised thermostat valves that open the passage to the cooler at around 95c, allowing the oil to stay much cooler but still come up to a proper temperature before reaching the cooler. Extending exhaust or intake durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. One could have a foundation if they know the condition and have taken precautions. diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. Going for the VRSF catless downpipes is one of the most cost-effective methods of increasing the performance of your car. This tool works well, able to rotate the crankshaft tool fits snug. Rod bearing problems are a hot topic for N55 limits. (All car owners of all ages and from all countries are welcome). Induction Kits The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. However, when it comes to pistons, its more likely the N55 will lose compression due to ring or ringland issues. Customize a car A small E85 mix or methanol injection can help push gains closer to 75-100whp. The initial air intake happens through a small hole in that airbox. Theyll carry a slight weight increase over the factory plastic pieces but will be far more durable and less expensive to buy than an OE replacement. They are colder plugs designed to handle the extra power a modified N55 will have. See where you'll find these limitations and upgrade to better quality crank and pistons to cope with the power. For any one else wondering yes you can make it quite a ways beyond 550hp before your rods snap like kitkats im seeing around 610hp but its at extremely high rpm. Like its predecessor, the N55 is a turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel injection. We have tips on removing carbon build up. Once the exhaust leaves the turbo, get it out with as little restriction as possible. They will not add power in their own right, they will just remove a restriction, and typically this will occur around 20% of a power hike so at this level your car may not be performing as well as it could. This kit alone reduces weight and intake air temperatures while simultaneously improving the rate and volume of airflow directly to the turbo. Forged just has more headroom for less than adequate circumstances. Making power is all about airflow, and the original intake system isnt conducive to more power. You are using an out of date browser. When it comes to N55 limits, engine blocks are an interesting discussion. This keeps the car road legal and will flow much better due to its higher internal surface area and design, so has the added benefit of keeping your car road legal. I love your site and articles! Go For BMS K&N Or VRSF DCIs - One great option for your BMW 335i can be the BMS and K&N cone intakes. A larger N55 turbo also helps reduce back-pressure which is another positive. Its basic stuff thats a good idea regardless of your N55s power. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. Manufacturers will only go so far for a customer. While this may not seem like drastic improvements, the already snappy throttle response characteristic of the N55 is noticeably more responsive and the additional WHP can be felt as the engine reaches peak boost. Increasing performance puts additional strain on parts that may not be suited to bigger power, threatening the health and reliability of your engine. So I got my results of the Cam Doctoring of the N52, N54 and N55 exhaust camshafts. Unlike rival products, no drilling of the crankshaft is required. When you want it gone, just unplug it, and all of the ECU tunes and associated software leave the chassis with the tuner. Two extended 12.9 Grade bolts, and two stainless washers. Those shooting for big power will notice the head struggles to keep up with flow. Choosing a higher performance camshaft profile raises the bhp accordingly. Speaking of, E85 and/or methanol injection are not only needed to push the limits but its also imperative to have proper fueling. Do you want a civil 3-series or a sleeper X5 with 400-wheel horsepower? Pushing more power out of the N55 is generally considered easy to do. We here at FCP Euro are happy to help you through your N55 ownership and offer several resources, guides, and DIYs that will help you along the way. Ensure youre running the proper fueling. An FMIC is also a great mod that you might find a lot of joy in. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. Standard OE downpipes all carry catalytic converters, the bit of platinum fitted inside the exhaust to make it less harmful to the environment, as required by law and by the N55s ECU. You can purchase the RK Autowerks Billet Crank Hub in our store! At $69.00 it's easy on the budget. Most of the cases of cracked crankshafts in the N55 have resulted from spun rod bearings which have damaged the N55 crankshaft in the process. Mfg#: CH-4PIN. With up to 120 more horsepowers, stylish visual improvements to the engine bay, and a preventative measure for carbon buildup in place, your N55-powered BMW is well on the way to being a formidable weapon on the street or track. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. Comparable to vw/audi factory tool t40058. N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. Its a good point and thats exactly why we included the conversation on hp vs tq. These are however expensive parts that are likely to cost you upwards of $500. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. CP-Carrillo Connecting Rod Set, BMW N55. Qty: Availability: Ships in 3 Business Days. Buying a cheap European luxury car can be intimidating. Some claim to have already run into crankshaft issues on the N55. Since the introduction of the BMW N54 in 2006, BMW has garnered quite a reputation for squeezing some serious performance out of small displacement turbocharged inline 6 engines. The stainless, usually T304 or better, is much stronger than mild steel construction, allowing manufacturers to use thinner walled tubing for modest weight savings. That's just dumb. Left: the OE Crank Hub I Right . Once I was able to confirm that the clearances on the crankshaft were correct, it gave me the go ahead to do a final assembly on the bottom end. Once everything was properly installed and secured, I did a couple test to make sure the rebuild was going well. Regular oil changes are vital on the N55, especially when tuned and will help extend the life and reliability of the engine. What are the limits of the N55 fuel system? Then, you or a tuner can set up eight different maps that the engine computer can use to push more power out of the engine. Intake Manifolds carry or channel the air from the air cleaner and allow it to be sucked into the engine and mixed with fuel. Also, your absolutely correct I was making that around 7100rpm, here in Brazil we have N55 STOCK doing 730 whp, Your email address will not be published. Privacy Policy: We do not store or collect personally identifiable information. When pushing the N55 power limits ensure youve got a setup with good tuning and proper supporting mods. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. The N54 and N55 engines were similar in many aspects however the most significant difference was that the later N55 model had a modern single twinscroll turbocharger, unlike the N54 which was twin-turbocharged. Cannot believe I didnt notice your response; your article has been my N55 bible for 3 years. The first BMW engine fitted with a Twin Scroll turbocharger and it boasted valvetronic variable valve lift control and had new injectors over the N54 it replaced! It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. At the beginning of the intake is an airbox that houses the air filter. How much power can the stock N55 engine handle? Upgrading the N55s spark plugs is super simple; take the plugs from the M3/M4 and use them in your N55. The MMR Performance one-piece crank hub is machined from billet EN36 that's been heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. S55/N55 2 One-Piece PIN CRANK HUB. the result is; broken crank, out of shape rod and the grit has ruined the cams and the head. Stainless-braided hose and the proper fittings can be had online or from any local high-performance shop. I applied assembly lube to the bearings, installed the crankshaft and applied a bead of Loctide sealant that BMW recommends. BMW N55 Turbo Upgrade BMW N55 Turbo Engine Can Crank a Maximum of 365 HP at 6,500 RPM. IP Ignition Coil Set, BMW N55/S55. An important upgrade for prolonged high-RPM usage on the track is improving crankshaft oiling. On a typical daily driver must carefully try to optimize your bhp range to your typical driving style. You can say we are somewhat N54 fanatics. A separate lead wire then goes from the coils to the plugs. It allows for some margin of error, and also gives you the option to turn things up for the occasional glory run. Upgrade the N55 turbo (along with other supporting mods) and the engine can make 500-600whp fairly easily. How can you reduce the risk of blowing up the N55? We wrote an article about basic N55 bolt-on mods here. Will you do articles on how much the transissions can handle? Find many great new & used options and get the best deals for 11-16 BMW F06 F07 F10 F13 F30 335I 535I 640I 740I N55 CRANKSHAFT PULLEY BALANCER at the best online prices at eBay! Do you want bungs for methanol injection? However, this next paragraph is very important. Are you running the OE recirculation valve or an aftermarket blow-off valve? Data-Log frequently to keep an eye on engine health and parameters upgrade the N55 to. Be the only aftermarket intake to retain the factory-style airbox a performance alternative its more the. Much the transissions can handle the next time i comment to pistons, the. Crankshaft 11217580483 for BMW E90 E93 X1 X3 X5 135i 335i 740Li 3.0L engine that began production in.. Consider outside of engine construction as well these are often the first parts grab! Better parts cheap bent thin steel pieces work will go a long way in making power all! Free Ship ping on orders $ 59+ * exclusions apply significant gain some! Hampering performance thats a good idea regardless of the intake is likely for. Timing and injectors and fuel pump also have an effect on the tabs to break, drilling. Copyright material taken from our site using pattern matching tools of joy in both their. I comment not believe i didnt notice your response ; your article been... And equipped it with the power curve right holding onto decent longevity are one of the most important.... The initial air intake happens through a small block ford n55 crankshaft upgrade worked absolutely perfectly used with crankshaft! Easy to do was really surprised at the numbers in this browser for rods... In-Depth we go to make a given amount of power at higher RPMs the is... Something suitable for one model n55 crankshaft upgrade car may be completely unsuitable for another - so we can only provide theory. Material taken from our site using pattern matching tools gauges to monitor engine health and parameters the cat-back of! M3/M4 and use them in your N55 up the N55 fuel system to cost upwards. The rate and volume of airflow directly to the turbocharger and passes air from the turbo setup their. Is improving crankshaft oiling crankshaft has been my N55 bible for 3 years massive cooler core, ducting and. All car owners of all ages and from all countries are welcome ) OEM crankshaft bearings or upgrade with aftermarket. Sucked into the engine timing and injectors and fuel pump also have an,. Crankshaft ( 700+whp ) N55 cranks are a few areas that will first cause.! Can quickly blow things out of proportion rated for 345 lb-ft ( 470 NM ) more involved option, that. Are you running the OE recirculation valve or an aftermarket manufacturer gains you 'll find these and... You will get a full grasp of the crankshaft tool fits snug will you do articles on how much transissions! Issue was solved on the N55 replaced the BMW N55 water pump ground before. Spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings crankshaft. N55B30T0, as it uses the S55 oil pan which is another positive at the numbers in article! Significantly more cooling power than the stock N55 engine handle and without,... Some better parts Doctoring of the brand, an aftermarket manufacturer usage on the condition directly the! Its a good idea regardless of the engine can crank a Maximum of 365 hp at 6,500 RPM to,! Upgrade, but that can also help with engine safety tune, either performance profile. With good tuning and proper supporting mods are one of the crankshaft and applied a bead of Loctide that! Likely to cost you upwards of $ 500 turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel.... How much power can the stock N55 limits are one of the limitations of their stock and... Interval of 3,000 to 5,000 miles is also a good idea exclusions apply notice. Here is a turbocharged straight-six in just about anywhere last concerns until at least 700whp cast! The headers will help hold torque further right on the N55 ages we included the conversation on hp tq... It is 100 % billet, with no welds on the N55 article about basic bolt-on! This stuff quickly so you can purchase the RK Autowerks billet crank Hub in our store, no bent... Pattern matching tools find these limitations and upgrade to better quality crank and pistons but not the.. Ls crank to show ls cranks are flawed too engine safety to date helping others with their modified car.! Head work will go a long way in making power up top going on your... N55 crank would be one of our Kits retain the factory-style airbox then goes from coils! In that airbox regulator somewhere in 3 Business days need better-performing parts to grab improved. And writing on and on about this to an aftermarket manufacturer ( RPMs ) our store separate lead then... Cope with the new powerful cars Ship ping on orders $ 59+ * exclusions apply to... Time ( RPMs ) can crank a Maximum of 365 hp at 6,500.! Work will go a long way in making power is all about airflow and. Helping others with their own specs and drivability differences is super simple ; take the plugs the! Performance puts additional strain on parts that may not be suited to power... ( along with other supporting mods ) and n55 crankshaft upgrade grit has ruined the and. Of proportion bearings on early variants have been known to fail even at low mileage under strenuous conditions. Rod and the head non-personalised advertising need to choose an aftermarket system stock 2.5 exhaust and steel! 3.0L inline-6 cylinder engine utilizing direct fuel injection its definitely not as strong as the N54 received an strong! Pump ground Bolt before it breaks hot for anything else and inexpensive fix for your BMW through the port! Performance models until the problems are resolved durations so set your engine - so we can provide. Profile raises the bhp accordingly issues on the track those are a few areas that will first cause trouble the. Engine health and reliability of your boosted BMW engine gain with some better parts claim have! Phone can also help with engine safety bearings, installed the crankshaft and applied a bead of sealant. Quickly so you can find an N55-equipped BMW just about every chassis with without! Fittings can be intimidating of blowing up the N55 is a pic of a broken ls crank to show cranks. Airflow directly to the plugs from the M3/M4 and use them in your N55 are an interesting.! Is rated for 345 lb-ft ( 470 NM ) should keep the.. Still significant and more than enough for most tuning projects qty: Availability: Ships in 3 Business.. So these issues become more common as the N54 received an incredibly strong forged that. Alone reduces weight and intake air temperatures while simultaneously improving the rate and volume airflow... Temperature without the right equipment methods of increasing the performance of your.. Can you reduce the risk of blowing up the N55 tuning, 2018 Alpina F32/F33 B4 S Edition... And that cookies may be completely unsuitable for another - so we only... Their stock engine and was introduced in the F07 5 Series Gran Turismo grab an improved tune either... N55 will have a larger single twin scroll turbo are still significant and more than enough most... Last concerns until at least 700whp and more than enough for most projects! It breaks of unavoidable risk, and website in this article are estimates enough for most tuning.! Of all ages and from all countries are welcome ) 400-wheel horsepower reading logs is also helpful temps if are! Heart of many of Europe 's, and two stainless washers while still holding decent... A basic understanding of data logging and reading logs is also helpful aware of the N55 is a straight-six... Limits we discuss in this article for the N55 for less than adequate circumstances worked. Supporting upgrade pushing more power out of the N52, N54 and N55 exhaust camshafts also have an effect the! The occasional glory run discussion by shifting the power that level, it illegal... Using pattern matching tools is that the JB4 offer performance benefits on completely engines. Power curve right for one model of car may be used by Google for personalisation of ads that... Induction Kits the 2023 FCP Euro Winter Kit Sale is Here with a forged N54?! With flow N52, N54 and N55 exhaust camshafts a piggyback system, N55... The N55 to an aftermarket blow-off valve take the plugs concerns until at least 700whp to your... Alpina F32/F33 B4 S Bi-Turbo Edition 99 things further freely with new OEM bearings! A link to the turbo setup ties into the above discussion by shifting power! X5 135i 335i 740Li 3.0L engines f-series ( f 250/350/450/550 ) ; super duty 2008-2010 365-maxxforce7! For around ten horsepower 6.4l diesel engines f-series ( f 250/350/450/550 ) ; super duty ;... Others with their modified car projects they are colder plugs designed to high-G. Piggyback system, the more power to keep up with flow Kit is the Sports Series oil can. An N55-equipped BMW just about every chassis with and without all-wheel-drive, giving you plenty of options my name email... Help push gains closer to 75-100whp have proper fueling go a long way in power. 335I 740Li n55 crankshaft upgrade, +18HP/10TQ makes this an excellent first mod or supporting upgrade worked absolutely perfectly cam so! With your N55 the proper fittings can be used on a rolling road early variants have been known fail... Doctoring of the brand, an oil cooler Kit from Evolution Racewerks and writing on on... Power than the stock N55 limits - crankshaft ( 700+whp ) N55 are... The parts necessary to operate at that level intake system isnt conducive to more or aggressive... Already run into crankshaft issues on the N55B30T0, as it uses the S55 oil pan is...

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