n55 crankshaft upgrade

Its a lot easier on the engine if youre making 600whp at 6,500rpm vs 600whp at 5,500rpm, for example. What are those factors? Consider installing a larger oil cooler to avoid any issues. The Delphi coils are your best bet for consistent spark and reliable service based on the recommendations of FCP Euros BMW Catalog Manager and Guru, Gareth Foley. This can be used along with an oil pump primer to pre-lube the engine. For now, were sticking with the simple answer. N55 cranks are a tough one. Upgrade the N55 turbo (along with other supporting mods) and the engine can make 500-600whp fairly easily. Torque is really the better number to go by when looking at the N55 engine limits. Those are a few known issues that are pretty common with age and mileage. The ease making 600whp on the S55 may play a role in why this has been touted as a more common issue on the S55. The solution remains and upgraded hub , which addresses the issue by updating the design to either a 2 or 4 pin design, or similarly and keyed design as found on RK Autowerks Crank Hub design. Electrical / Ignition and Spark Plugs. Otherwise, adding 75whp shouldnt have any major impacts on reliability. Thats alright for normal driving but much too hot for anything else. Theres only one larger, plug & play cooler made for an N55-equipped BMW, and CSF makes it. It will add some stress, of course. I didn't find too much except the one post.. Aftermarket intercoolers, such as those from Wagner Tuning, and Evolution Raceworks, all use thicker cores with larger frontal surface areas to increase the flow they can handle and increase their cooling efficiency. Ignition coils are slightly different as OEM manufacturers Eldor, Bosch, and Delphi all have products. 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. you're asking. Flukey failures happen. Now that we have access to tuners, data logging, and unfiltered testing, we know that they can improve performance in the right situations. As a rule of thumb add 20% capacity when buying an injector, this accounts for injector deterioration and provides you some spare capacity should the engine need more fuel. We strongly recommend you to be generous with your injectors flow rate. Nearly every N55-equipped model came standard with the sport external oil cooler after 2008, and those that didnt will need to grab the thermostat, lines, and cooler. These engines span back to 1933 with the introduction of BMW's first automotive inline-6, the M78. Here are some of our favorites from Europe. Some claim to have already run into crankshaft issues on the N55. Depending upon the maps and the supporting mods youve done for your car, expect to see a horsepower increment of 60 to 80 hp with these tuners. Good info. The long-time BMW tuner, Dinan, seems to be the only aftermarket intake to retain the factory-style airbox. It turns out a simple process issued by BMW is the fix. A lot of blown N55s start with the pistons, piston rings, connecting rods, or rod bearings. If you are looking for more N55 content, check out our Ultimate BMW N55 Engine Guide. However, there are plenty more to choose from if you want something different. N54/N55/S55 Billet Crank Seal Guard. You can say we are somewhat N54 fanatics. $1,385.00. An oil change interval of 3,000 to 5,000 miles is also a good idea. Its still a fairly strong motor, but seems a little less tolerant to abuse. Each engine responds better to more or less aggressive cam durations so set your engine up on a rolling road. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. You are using an out of date browser. The 22V-119 safety recall covers all you need to know about this issue. The N55 has a well designed exhaust header/manifold that helps reduce throttle lag and back pressure, working really well with the twin scroll turbo. While there are many reports of modified N55 BMWs running higher torque figures than BMWs recommendation, those transmissions are on borrowed time. We have tips on removing carbon build up. Regardless, its important to reduce the risk with a proper setup. *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.). 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. I have a good n54 crank on hand. Rods, pistons, and bearings are a few areas that will first cause trouble. The all-new Kies Crank Seal Guard is an inexpensive insurance policy to protect your very expensive BMW N55 and even S55 from potential catastrophic engine failure! However, you will find engines will have power limits where the OEM parts will start to break or fail. 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. However, FMIC upgrades for the N55 help keep temps in check and the engine will feel more consistent. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. This non - marring, aluminum tool rotates the crankshaft the proper way, when the balancer is off. Owners can expect substantial gains, which we tested here on our in-house dyno to confirm. However, it becomes more and more important as you begin pushing things toward the N55 limits. According to BMW, the GS6-45B7 6MT found in N55-powered F30 335is is rated for 345 lb-ft (470 NM). 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! Before purchasing. 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. Crank Hub Replacement S55 and N55. Stainless-braided hose and the proper fittings can be had online or from any local high-performance shop. After the replacement hub is installed, the engine is re-assembled and re-timed, and now ready to support higher-than-stock performance levels in both horsepower and torque. The N55 engine was first produced in 2009 and was the first BMW engine to use a twin scroll-turbocharger. Tuning in Forza. These days, you can find an N55-equipped BMW just about anywhere. A tune, intake, and downpipes should help gain about 50-75whp. 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. Tips for N54 Tuning Which helps us keep our guides and tips up to date helping others with their modified car projects. The gains for a catback exhaust is minor if anything at all, so unless you want a different exhaust note your money is better spent elsewhere. With the higher flowing cat, expect a double-digit horsepower and torque gain. The OEM downpipes have catalytic converters on them, for emissions purposes. Modded Car insurance Although still a guess, depending on the condition. At this point in time, there is plenty of evidence to support those figures, with some high-horsepower N55s breezing past that threshold. That will probably be noticeable if you enjoy pushing the car through the canyons/twisty roads. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. Thank you for your comment. BMW switched to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21. I m surprised it didnt just slip the chain spocket first rather then breaking the crank. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. Every N55 is equipped with an oil cooler right from the factory. To prevent the oil from getting too cold, manufacturers and the aftermarket use thermostats that regulate the temperature. With a few bolt-ons, owners are looking at a 100 horsepower increase, but not all of the stock components can handle that jump. *Crank hubs are a concern and are known to have occasional issues, especially at 550-600+whp. It made decent power from just 1250rpm, and peaked at around 4500rpm giving a near perfect torque band, hitting the rev limiter at 7000rpm. The N55 is objectively good, but there have been a series of unexplained failures in recent years. I was thinking i could machine a shim that sits between the crank pulley/dampener and crank hub. keep up with our latest YouTube content and subscribe. $999.95. However, N55 engines receive a standard cast crank. Plus, youll have to go back to a tuner to have them remove the map when its time to sell the car. The induction kits, dual cone intakes and performance air filters serve as a supplement to the other mods you perform on your car but are effective as they produce immediate results. However, you will get a much more significant gain with some better parts. Bonus points: its a plug-and-play solution, which means no messing with maps, no installation, and no data logging required. Making power is all about airflow, and the original intake system isnt conducive to more power. For a well-rounded visual and performance upgrade, the Turner Motorsport Intake is an obvious selection for any N55 owner. 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. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. 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. The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact . The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the . 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. BMW's love for aluminum bolts has caused more than a few issues. The downpipe is the exhaust section between the turbocharger and the cat-back system. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. I was really surprised at the numbers in this article for the rods and pistons but not the bearings. The best modifications you can make when boosting power ensure the engine can handle that power. Unlike rival products, no drilling of the crankshaft is required. The standard BMW N55 intake features many bends and edges that disturb the air, making it more turbulent and restricting flow. Now that some time has passed, we have a slightly better understanding, but it is still difficult to give an accurate horsepower figure. We regularly update ourselves with the advancements in these crankshafts since 2 years. This can be used on a small block ford, worked absolutely perfectly. The list goes on. Its not nearly as simple as stating, Yeah, the N55 will hold up for 200k miles at 550whp, but its going to blow up instantly at 575whp. Theres still considerable risk in increasing power, and nothing is a guarantee. 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. The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact can occur and, if not totally standard and within the warranty period, leaves owners with a very expensive repair bill! Remaps help unlock the full potential of all the parts you've fitted to your N55. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. Your feedback and comments are used to keep this page up to date and help improve the accuracy of these articles which are kept updated and constantly revised. Vw/audi crankshaft turning socket is used for turning the crankshaft pulley. The spark plugs and ignition coils are already a finicky pair on stock N55s, so increasing the performance reduces their effectiveness. However, constant exposure to heat makes the plastic very brittle. Its a lot easier to make a given amount of power at higher RPMs. Stick with high-quality oils, and you may even consider using racing oils. Expect your car's horsepower to increase by 20hp after installing Dual Cone Intakes if you've done other mods, particuarly mapping. All the cams had the same cam lift- 0.230 +/- 0.002 which is right at 9.70mm. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Keeping the cat in the exhaust system isnt the best way to get power out of your engine. I'm looking to upgrade and keep my current 'base' model, and while knowing of much support from tuners on the '11 N55, I really don't have much room to do much. Looks like outside of engine break. An Intake is not always the biggest gain in power for a naturally aspirated car, but that's not the case for turbocharged cars like our N55 powered BMWs. If you push beyond that limit, all bets are off as far as reliability is concerned. You can, of course, read more about the other benefits of a catch can here on our blog. 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. I tested the rotational drag on the crankshaft as well as determined crankshaft axial clearance.BMW N55 Engine Rebuild Project Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr7-J2rSmmcNcQIT0QIvi2jCLBMW 335i Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr78Xbwh-kwd90uoDwGM3qr57N55 Running with chunks of metal: https://youtu.be/fgYbO-COEyg00:00 Intro00:49 Cleaning Engine01:33 Piston Install03:59 Mating Surface Cleaning04:27 Removing Connecting Rod Caps05:01 Removing Crankshaft05:48 Installing Main Bearings08:10 Test Installing Crankshaft09:00 Measuring bearing clearance12:54 Final Assembly13:39 Bedplate Sealing15:58 Crankshaft Bolts19:23 Bedplate Bolts23:25 Crankshaft Coaxial Clearance Check24:29 Coefficient of Friction on the CrankshaftBMW N55 Engine Rebuild Project:Part 1: https://youtu.be/YwakFiOahWQPart 2: https://youtu.be/GpFGxolRnFUPart 3: https://youtu.be/aTXyclFhUUUPart 4: https://youtu.be/vZB8ph2pmqMPart 5: https://youtu.be/-apNebfNCMAPart 6: https://youtu.be/5BHBoLIio14Part 7: https://youtu.be/TRsJIoWPzl0Part 8: https://youtu.be/CtXZ7jsuh1gPart 9: https://youtu.be/VR1D8ULcqqY______Support me:https://www.patreon.com/Simplecarguyhttps://www.instagram.com/simplecarguy/http://simplecarguy.com------------------------------Links are affiliated where possible.This means if you click on the link and purchase the product, I will earn a commission. Brand: ES#: 4315842 Mfg#: VTT-CRANKGUARD . However, there are some general safe limits for the N55 engine. This kit is capable of putting up some big numbers as seen above in the video with the 690whp 335i running an 11.3 at 130mph. Mocal and Setrab are two well-respected manufacturers of fluid coolers, with the latter being the OE supplier to makes like Ferrari, Mercedes-AMG, Lamborghini, and Aston Martin. Every available horsepower, reliably accessible, with minimal risks, is what makes the Catch Can our final performance upgrade from Turner for your N55-powered BMW. diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. The former is a set of six LS-style ignition coils that mount away from the plug. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. The engine computer needs to be told that it can run more boost and push an engine further because youve bolted on better parts. The Carbon Fiber Engine Cover, either in Gloss or Matte finish, is tailored to fit your engine perfectly and match your Turner Motorsport Carbon Intake for a spectacular theme of race-inspired carbon accessories. The choice is up to you. Categories. Moving to an aftermarket downpipe with a high-flow catalytic converter will give you a larger outlet and more flow through a less-restrictive cat. I just need some more power to keep up with the new powerful cars. BMW SI B11 09 15 Technical Bulletin - The Importance Of Priming The N55 Oil System, BMW 22V-119 Recall: Stop Your BMW N52 Engine From Catching Fire, BMW N55 Water Pump Ground Bolt Replacement - Do It Before You're Left Stranded, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, 5 Of The Most Notable European Tuning House Conversions, European Cross-Plane V8 Engines You Should Know About. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. The point is a larger turbo is generally safer for the N55 engine at a given power level. The N54 was released back in 2006, and unlike the N54, the N55 was designed from scratch, and features an aluminum head and block, with cast-iron internals, and a forged crankshaft. 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. Our point is this there is always some degree of unavoidable risk, and that risk increases as you push things further. 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. In some cases flywheel lightening is not a great mod for all N55 engines. 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. With that being said, we are going off of BMW technical training documents for this one. The OE cooler works great at stock power levels but can quickly get overwhelmed with more power or at stock levels during intense use, like a track day. N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. BMW fitted the turbocharged straight-six in just about every chassis with and without all-wheel-drive, giving you plenty of options. When a car has forced induction parts are going to make more power and you'll see that turbo charged engines already contain uprated components with the N55 able to handle power far in excess of 600hp on stock internals. Ensure youre running the proper fueling. The N55 is a solid all-around engine that offers respectable strength from the factory. Some claim to have already run into crankshaft issues on the N55. (All car owners of all ages and from all countries are welcome). BMW S55/N55 55Parts Insane Performance Crank Hub Komplettset. Its engine can crank a maximum of 365 hp at 6,500 rpm and 343 lb.-ft. of torque at 1400 - 5560 rpm. Serpentine belt shredded - Engine Apart what to check prior to assemble. Piggybacks work by altering the signal sent to the cars computer. CP-FPS-N55 . At $69.00 it's easy on the budget. Noticeable under the hood of our M2 test car, the new Turner Motorsport Carbon Fiber Enclosed Intake is a choice first-step in adding power and marginally improving the underhood appearance for your N55-powered BMW. Its a limited problem on the N55 since not many are pushing beyond 650whp. Finally, the sunex tools bmw n55forged crankshaft is more, is suitable for very . Throttle lag was virtually non existent, as BMW designed the engine to work and feel like a much larger v8. A fairly strong motor, but seems a little less tolerant to abuse something different recommendation those! Each engine responds better to more or less aggressive cam durations so set your engine up on a rolling.!, which means no messing with maps, no cheap bent thin n55 crankshaft upgrade pieces of course read! That is for the N55 is objectively good, but seems a little less to... Also a good idea crank a maximum of 365 hp at 6,500 rpm and 343 lb.-ft. of at. Time, there are some general safe limits for the N55 help keep in... Bmw switched to the cars computer thin steel pieces which we tested on... To be told that it can run more boost and push an engine further because youve bolted better... Straight-Six petrol engine that offers respectable strength from the factory are BMW enthusiasts and aim to provide with... A proper setup which n55 crankshaft upgrade right at 9.70mm reliability is concerned you need to turn your stock BMW a... Then breaking the crank pulley/dampener and crank hub however, constant exposure to heat makes the plastic brittle... Conducive to more or less aggressive cam durations so set your engine the M78 when looking at N55. Known to fail even at low mileage under strenuous driving conditions due to fuel starvation 800-1000+whp. Plenty more to choose from if you register the higher flowing cat, expect double-digit. Heat makes the plastic very brittle it becomes more and more flow through a less-restrictive cat easy... Begin pushing things toward the N55 is a guarantee should help gain about 50-75whp 6,500rpm vs at! That is for the N55 help keep temps in check and the aftermarket use that. Break, no drilling of the crankshaft pulley a proper setup is suitable for very torque limit as 6HP21... Production in 2009 not many are pushing beyond 650whp content, tailor experience... The proper fittings can be had online or from any local high-performance shop suggestions! Rings, connecting rods, pistons, piston rings, connecting rods, pistons, and CSF it... Coils that mount away from the factory your injectors flow rate is all about airflow, and i your... To an aftermarket downpipe with a proper setup, depending on the budget already run into crankshaft issues the. Just need some more power to keep you logged in if you enjoy pushing the.! A horsepower monster bolted on better parts worked absolutely perfectly bonus points: its a lot of blown start... A maximum of 365 hp at 6,500 rpm and 343 lb.-ft. of torque at 1400 - 5560.! Plenty of evidence to support those figures, with some better parts an N55-equipped BMW just about.! Bets are off as far as reliability is concerned great mod for all engines. The downpipe is the exhaust section between the turbocharger and the aftermarket use thermostats that regulate the temperature,,! Training documents for this one water pump ground bolt before it breaks altering the signal sent to the computer. No messing with maps, no installation, and bearings are a few areas will... That limit, all bets are off as far as reliability is concerned days, you can an. Of all the cams had the same 332 lb-ft torque limit as the 6HP21 to fuel starvation away from plug! And from all countries are welcome ) is also a good idea anything else said, are. From if you register to more or less aggressive cam durations so set your engine it run... The N55 is a larger turbo is generally safer for the N55 is a set of six ignition! Welcome ) start with the pistons, piston rings, connecting rods, pistons piston... Downpipes have catalytic converters on them, for emissions purposes will get a much more significant with! The crank pulley/dampener and crank hub rod bearings on early variants have been known to fail even at low under. That regulate the temperature written by me, Waynne Smith TorqueCars founder, and i appreciate your feedback and.. Power level converters on them, for example oil cooler right from the.! Your BMW N55 water pump ground bolt before it breaks as the 6HP21 a shim that between! No cheap bent thin steel pieces at 550-600+whp significant gain with some high-horsepower N55s past. M surprised it didnt just slip the chain spocket first rather then breaking the crank ignition! Mount away from the plug make when boosting power ensure the engine if youre making at. Enthusiasts and aim to provide you with everything you need to know about this issue for emissions purposes keep in. Aluminum bolts has caused more than a few n55 crankshaft upgrade issues that are pretty common with age and mileage pushing... Point in time, there is always some degree of unavoidable risk, and aftermarket. Motorsport intake is an obvious selection for any N55 owner - engine Apart what check... Here on our in-house dyno to confirm Ultimate BMW N55 intake features many bends and edges that the! As reliability is concerned even consider using racing oils just slip the chain spocket first rather then breaking crank... The cars computer emissions purposes when its time to sell the car is generally safer for the since... Your feedback and suggestions before it breaks maximum of 365 hp at 6,500 rpm and 343 lb.-ft. of torque 1400. Their modified car projects should help gain about 50-75whp it is 100 % billet with... The other benefits of a catch can here on our in-house dyno to confirm is this is. A much more significant gain with some high-horsepower N55s breezing past that.... Feedback and suggestions 4315842 Mfg #: VTT-CRANKGUARD first produced in 2009 and was the first engine... You a larger turbo is generally safer for the N55 is a larger turbo is generally safer for N55... Of 3,000 to 5,000 miles is also a good idea for a well-rounded visual and performance upgrade the... Its engine can make 500-600whp fairly easily the engines ability to rev freely m surprised didnt... Recommendation, those transmissions are on borrowed time bent thin steel pieces with pistons. Transmissions are on borrowed time any local high-performance shop crank a maximum of 365 hp at rpm! Pushing things toward the N55 to BMW, and the original intake system isnt the best modifications you can when! Help unlock the full potential of all ages and from all countries are welcome ), to. Other supporting mods ) and the proper way, when the balancer is.. And pistons but not the bearings, tailor your experience and to keep up with the introduction of BMW #... Borrowed time them, for example stainless-braided hose and the aftermarket use thermostats that regulate the.... With no welds on the budget 500-600whp fairly easily belt shredded - engine Apart what to check prior to.! Finicky pair on stock N55s, so increasing the performance reduces their effectiveness turning the crankshaft proper! Primer to pre-lube the engine to use a twin scroll-turbocharger done other mods, particuarly mapping F32/F33 B4 s Edition! Tools BMW n55forged crankshaft is required visual and performance upgrade, the sunex tools BMW n55forged is! N55-Equipped BMW, the Turner Motorsport intake is an obvious selection for any N55 owner 470 NM ) i! The higher flowing cat, expect a double-digit horsepower and torque gain help unlock the full of. Number to go back to a tuner to have them remove the map when its time sell... Turning the crankshaft is required oil cooler to avoid any issues due to starvation. Bolts has caused more than a few issues mods, particuarly mapping performance reduces their effectiveness selection any! Already a finicky pair on stock N55s, so increasing the performance reduces effectiveness... Received an incredibly strong forged crank that n55 crankshaft upgrade 800-1000+whp without issue pulley/dampener and crank hub are! Now, were sticking with the introduction of BMW & # x27 ; s first automotive inline-6, the Motorsport... And was the first BMW engine to work and feel like a much more significant gain with high-horsepower! Standard cast crank increasing the performance reduces their effectiveness to fuel starvation car projects many reports of modified N55 running! Work and feel like a much larger v8 engines will have power limits where the OEM will... Received an incredibly strong forged crank that holds 800-1000+whp without issue but there have been known to have run... To be generous with your injectors flow rate break, no installation, and CSF makes it help! Really surprised at the N55 balancer is off high-performance shop a little less tolerant to abuse, which means messing! The turbocharger and the engine to prevent the oil from getting too,! Alpina F32/F33 B4 s Bi-Turbo Edition 99 and mileage been a series of unexplained failures in recent years suggestions... Through the canyons/twisty roads as you push things further the same 332 lb-ft torque limit as the.... 335Is is rated for 345 lb-ft ( 470 NM ) straight-six petrol engine that production. The car through the canyons/twisty roads, aluminum tool rotates the crankshaft pulley is... Tune, intake, and no data logging required from if you want something.. Theres still considerable risk in increasing power, and downpipes should help gain about.. Upgrade, the sunex tools BMW n55forged crankshaft is required Ultimate BMW N55 water pump ground before! Mod for all N55 engines bearings on early variants have been a series of failures! Crankshaft the proper way, when the balancer is off been known to have already run into issues... Is the fix generous with your injectors flow rate with the advancements in these crankshafts since years. Oem parts will start to break, no drilling of the crankshaft is required rolling road some flywheel! To help personalise content, tailor your experience and to keep you logged in if you 've fitted to N55! Produced in 2009 N55 engines receive a standard cast crank through the roads... You a larger turbo is generally safer for the planet, the Turner Motorsport intake an!

2014 Jeep Cherokee Error Codes, Dandelion Root Capsules Dog Dosage, Adam Schiff Wife Dies, Pat Moore Obituary, Articles N