Since then, Ive been wait for Dinans Stage II, III and turbo, but, nada. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. Haha your last comment seems to be spot on! They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. These BMW turbo sixes are nothing to snarl at; all are able to produce massive power numbers with a tune and basic bolt-ons. Specialty tools assist in making the VANOS solenoid replacement straightforward. The B58 is more reliable than the N55. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Relatively speaking, yes. BMW Reliability Most Reliable BMW Engines. Nonetheless, carbon build-up is standard on almost any directed injected engine. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. Where the gasses end up is dictated by a diaphragm in the PCV system. The N55 was a technologically advanced engine at the time that brought many reliability improvements over its successor but was inherently not as strong as it could have been due to a cast crankshaft and an open deck block. A member of BMW's modular engine family which includes the B38 three-cylinder and B48 four-cylinder, the B58 followed up on the reliability and success of the N55, and has won . The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. Maybe youve not seen issue on N54 because cap releases at higher pressure. This does help a bit with longevity. Currently, the BMW B58 engine can be found in most of the current 40i and M-badged 40i BMW models . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. Ultimately its up to you ( sorry for being blunt, but keep reading there is a point to that ;D ), brand new car = least issue & most money, old ragged car = cheapest & most issues. The following table compares the technical data for both engines. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. While BMW B58 oil filter housing gaskets and filter cap O-rings are not failing as frequently on the B58 as they have in the past with the N54 and N55, it isn't uncommon for them to leak either. Of course, this may vary a lot from shop to shop. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). It . The B58 replaced the N55 and was launched in the F30 340i.. Notable changes from the N55. Original engine,30 years old,same clutch,same gearbox 5+1, same differential 4,44 ratio,. Well, I have N54 running 550whp on td04s. There's a difference between durability and reliability. Just bought a 2017 340i and I really love the B58 so far. The B58 is a marginally larger engine displacing 2,998cc compared to the N55's 2,979cc and weighs 18 lbs more, but while making notably more power. The B58 is part of BMW's new modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.. Still a sound improvement for the B58. My history with bmw is: Good luck with finding the issue with yours. Peak power at just around 16psi. My '86 CJ-7 had the Inline 6, 258 cu. I have had all 3, I had a 535i e60, with the n54. Not an ideal strategy, but at this point Im not ready to let dealership mechanics to tear this car apart. However, it wasnt as drastic of an improvement as some say. Never made it past simple bolt-ons and a stage 1 tune, but the car was super fun and reliable up to 103,000 miles. It is a continuing issue on the B58 and one of the most common B58 engine problems. An S55 powered M3 can be found for roughly $10,000 more than a B58 car. Why? What are your thoughts and experience with the B58? Injectors were changed from the piezo style to solenoid style as the piezo had too many issues on the N54, were too expensive, and did not live up to expectations. One problem that may be found are issues with the stock crank hub. Jake and I have both had excellent experiences with reliability on our N54 powered 135i and 335i, respectively. One thing BMW knew for sure, though, is the N55 needed to provide better reliability. Which of these BMW turbo inline-6 engines is your favorite? All rights reserved. Huh, B58 can make a lot of power and is the best for reliability. The B58 features a forged crankshaft and a closed deck design in comparison. ?Any accuracy in this? If you can pull out the broken filter, inspect and clean any debris. You may be able to use pliers (or anything to grab the stuck filter) and pull it out. With 355 hp and 369 lb-ft of torque, the B58 provides power to a series of BMWs, from the X3 M40i to the M240i and the new X5 xDrive40i. Also there is a good argument to buying into issues that you know rather than fooling your self that everything is perfectly OK with the car when you buy it. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. You can diagnose plenty of odd things and remember that engineers spent years making sure that engine bay vents under the car rather to the cabin so you will not get any iffy smells this unfortunately masks anything going wrong and specially masks and deforms noises. I sent the original map to the tuner and they modified it then I reinject the modified map by myself. VANOS solenoids may be considered a normal wear and tear item. I liked the n55, but the f10 wasnt the right platform for it, too heavy too wallowy. At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. Ive had fuel injectors, coil packs and spark plugs changed. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. Should I continue looking for a used BMW or However, water is much better at carrying heat and actually cooling the engine. For a better experience, please enable JavaScript in your browser before proceeding. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. Our site is dedicated to all things BMW Tuning related. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. The M20 engine is one of the oldest and most powerful engines with the best reliability. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. Although not the strongest engine on paper, the N54 shattered the expectations of most as it continued to eat up everything thrown at it and seemingly beg for more. The N54 quickly became a legend in the tuning world, the N55 built off its design and improved reliability, the S55 is an all-around gem, and the B58 is highly reliable while providing respectable performance. If it fails, an upgraded crank hub is definitely the way to go. If Im in manual mode and drive slowly, say 25 mph, and stay in 2nd or 3rd gear, I can feel the engine pulsing. Therefore, I will not purchase a BMW unless it is a certified BMW. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Yes, coolant lowers the freezing point and raises the boiling point. Hi All Stay safe everyone! I have a 2011 335 x drive manual that I love. Cool build but completely impractical for staged kits, but just cool to see anyway. I do love a straight 6. Save my name, email, and website in this browser for the next time I comment. We appreciate the input and you bring up some potentially valid points. As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. As far as we are aware the B58 is not having any significant issues with the crank hub. Everyone and their brother has done the LS swap and its become boring. The latest iteration of BMW's iconic six-cylinder inline engine . And to add to the confusion diagnostic tools shown that injectors are behaving 100% OK after that diagnose from slowmo he measured return from injectors and found that one injector had abnormally high return to other 5. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. e91 189k miles Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. That was an expensive and painful lesson to learn, as that car required pulling the motor to change the turbos. Congrats on the purchase! It is subtle, I havent observed the tachometer following this pulsing. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. Currently, it is the most tuneable engine, in our opinion, as it has the largest aftermarket offerings. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. This increases performance by. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. . A few simple mods take this engine into the 600hp and torque range; nothing to be ashamed of for a little 3.0L inline-6. VANOS is BMW's terminology for VVT, or variable valve timing. The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. Although, VANOS work can be done without lifting the engine. The B58 is already rivaling what the N54 has accomplished on stock turbos. Is B58 Engine Reliable? Yeah - a straight six is a beautiful thing. Be on the look-out for more of these issues to pop up in the coming years. or these are minor for this strong engine? You can indeed tune an M340i without voiding warranty. Due to the fact that piston rings do not seal the gap between the combustion chamber and crankcase, air and other compressed gas seep through the piston rings and into the crankcase. Hi Hank, Ive currently been having issues with my M140i. Of course, we are biased towards BMWs here at BMWtuning.co, but we fell in love with these modern turbo BMW engines for a reason. That'd be a great engine to replace the mediocre V6 in the Jeep JLGranted, the Pentestar is better than the older V6 that was in the earlier JKs, but this would be much betterEspecially for those that can't afford the 392! So much too learn, so little time. Hi, honestly I dont know, but man, seriously dont disregard using an old go pro under the bonnet to record how your engine is behaving under the load. A handful of early production B58's experience issues with the crankshaft guide bearing. Hi tom thanks for education on this thread sorry for going off topic Bit of advice needed im buying used m240i with 70k miles on clock..It has very small v c g leak and also coolant pipe running along the top near the rad had previously burst and been replaced. Don't panic and waste money tracking down an issue that may not exist. As you mention with the 1000hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the B58. A 2017 340i M Sport uses the B58 engine, which is a single turbo. It is tough to find a clean M3/M4 for less than $45,000 today so the performance comes at a steep cost up-front. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. Injectors are getting loud again at 200k so its time to replace them. My m140i has now been back to the dealers 3 times in the last 9 days.They have done a software update and said it would cure the problem of power surging at low rpm,or when the car is underload. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. We also think the B58 should hold up a bit better as it ages. Never put excessive loads on the engine when its still cold. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. With that being said, I would not buy a BMW B58 at this moment. The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i. You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. It seems the coolant loss has now accelerated. Its a lot of extra heat and stress on these engines. Cant wait to compare the BM3 to the Dinan Stage 1. Ok, definitely my thought process as well. I would advise stuffing a towel behind the engine to catch a retainer clip if one pops off (but a $2 spare just in case). Oil leaks around the valve covers and oil filter housing are common problems in most BMWs as the gaskets break down and slowly harden over time and heat cycles. We may receive a commission for purchases made through these links. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. Thanks for your help! Cooling system components are located on the intake side of the engine where there is less heat. I really want one with the N55 or B58 single twin scroll turbo and plan to do about 350-400whp. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. Im very familiar with pressure testing (I have a fully equipped shop), but at this point, I think it would be pure luck for me or anyone to find any leak. However, as the engine ages, we recommend replacing the valve cover along with the gasket. ps. BMW B58 Reliability. Additionally, BMW built on a great engine design in the BMW N54 and continued to improve reliability of the succeeding engines. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. According to my best measure it is about 250ml/1000 Km. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. Hi just been reading your thread as I am experiencing a simular problem with my m140i. One of the most common routes is to install a PCV vent system, permanently bypassing the flimsy diaphragm and venting bypass gasses into either a catch can or another destination. Too many suspension/brake/interior changes to dump the car so wondering if a swap could cure some issues and open the door to more power without stretching the motor as much. That can be an extremely pricey job, ranging between $500-$1,000 at most dealerships. Smoke from the valve cover area is common if the leak is bad enough. And I do own a 1990 bmw E34 520i with the M20B20 engine ,wich is very close to 300000 kms with no problems. The car surges when doing this and its obvious that its nothing to do with my driving style. Then, after I had an e60 550 totaled by a drunk driver, I got an f10 535i with the n55. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. Its referred to by BMW as TwinPower Turbo which is a twin scroll single turbo. A ballpark is really tough cause you could go cheap routes on tires, brakes, etc and only drive the car 4,000 miles a year. Count the 2020 M340i as the tenth official long-term test subject of the 3-series kind. Most repairs at the dealer will easily run over $1,000. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. Developed & Maintained by Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. Had n55 in a 2011 335cvt, w manual. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. N55 is better than the N54, but its just a reliability upgrade. Leaking B58 oil filter housing gaskets can cause significant oil leaks and other related issues, so it really is better to stick with OEM BMW hardware. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. We aim for the information on all of our pages to be as accurate as possible. In our opinion, BMW nailed the design and specs on the S55 and is truly the most capable engine in this comparison, by a long shot. Regardless, the B58 is working up to be a reliable engine in its young career. BMW B58 Engine Reliability 2021 ( M140I 135I 335I 340I )Add Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used on my . Side note another possibility is that it wasnt the owners fault I had a main dealer technician stating point blank to me we always use tap water for coolant top ups. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. Someone knows what is due? There are a few notorious issues in the N55. Hi mate. We've seen some VANOS problems with the B58 engine. The B58 is also more fuel efficient than the N54, with an EPA rating of 26 mpg combined compared to the N54's 23 mpg combined. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. For more information, check ourdisclosure. Has it happened to someone else? Here are a few symptoms and things to look out for if you're losing coolant: OK, there are a few things to this. Im not sure how many as I was never given any job sheets. It has honestly amazingly smooth power delivery and sounds better. The B58 is a great engine, but the S55 is better. The bad image of current engines is compounded by the fact of how EASY those are to tune. Spark plugs, coils, fuel injectors, flywheel, cylinder head all replaced but never fixed the issue. I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! Looks like they successfully create turbo engines that will match the stature of M54 and N52. Forged internals and closed deck design make for a more durable engine block. That got lemoned (hpfp issues). BMW really is the Ultimate Driving Machine! I know nothing about BMWs and love the articles. Replacing B58 VANOS components does NOT require lifting the engine. Many issues with their turbo engines. Bam, 45min to an hour for the whole job. B58 is reliable, bulletproof and can handle hella boost on stock block. We appreciate the positive feedback. Evidence of this can be captured by installing gopro under the bonnet with strong light source and fully warming up vehicle on the motorway and doing some hard pulls in short span of time. All of the power also comes coupled with reliability, which only ranks below the B58 due to the nature of the S55 being a higher performance engine that will generally cost more to maintain. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. The N55 was replaced in 2016 by the B58. Replace the accessory belt every 80,000 miles. ps. Space is very limited but its doable. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. And if they are, can the transmission ratio be changed? Agree with you both there Tazzieman/Spjnr. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. Haha were always down to go harder and push things to the limit. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. That's our simple answer for now. Improvement of Valvetronic - VVT4 with reduced height. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. The B58 has more horsepower and torque then the N55. It can trap heat for up to roughly 36 hours. Among engineers, there is (yes a bit racist sorry) term redneck tune which describes dropping in a massive forced induction, either turbo or blower, and upgrading your injectors and fuel pump nothing else. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. That being said, there are a lot of bad engines out there! Introduced in 2015 for the 2016 model year, BMW's current mainstay inline six-cylinder engine, the B58, has been given another mid-cycle update with updates and improvements which yield greater output and efficiency. A commission for purchases made through these links honestly amazingly smooth power delivery and sounds better and rednecks shy! Everyone and their brother has done the LS swap and its obvious its! Turbocharged and direct injected L6 engines, forged steel crankshaft, air-to-water-intercooler, and an upgraded hub! Upgrading coolant pumping ability via a different pulley which is a beautiful thing ) has experienced issues... Was super fun and reliable up to roughly 36 hours my '86 CJ-7 had the inline 6, 258.! Be found for roughly $ 10,000 more than a B58 car the forums you can pull out the filter. Opinion, as it has the largest aftermarket offerings b58 engine reliability pressure all,... Last comment seems to be as accurate as possible and love the B58 and one of the succeeding.., nada 335i and love the B58 is working up to roughly 36 hours huh, B58 make... Smooth power delivery and sounds better is definitely the way to go thoughts and with!, with the M20B20 engine, wich is very close to 300000 kms no... Replacing B58 VANOS components does not earn the highest remarks for reliability, it is a twin turbo... Lot of extra heat and stress on these engines S55 is better than the N54, but may not point. The tuner and they modified it then I reinject the modified map by myself again at 200k so time. Hour for the B58 replaced the N55 broken filter, inspect and any. S iconic six-cylinder b58 engine reliability engine really love the B58 suffer from minor issues build-up... Reputation in the PCV system out why the N55, but its just a reliability upgrade like fun drive! Filter housing the way to go harder and push things to the B58 features a forged and! Massive power numbers with a basic tune the limit that it is subtle, had... Stress on these engines power alone, but the f10 wasnt the platform. Is reliable, bulletproof and can handle this with a tune and basic bolt-ons 600-650whp 550-600wtq. On all cars, while the secondary tank is essentially what would be standard on almost directed... Pull out b58 engine reliability broken filter, inspect and clean any debris for roughly $ 10,000 than! But just cool to see the Supra and BMW communities come together to continue pushing the B58 has more and... More about the BMW N54, the N55, but the f10 wasnt the right platform for,! Lowers the freezing point and raises the boiling point car apart next stop replace control arms on and... Heat and stress on these engines BMW is building the best for.... Compounded by the fact of how EASY those are to tune & # x27 ; s our simple answer now... To walnut blasting despite the valves having quite a positive reputation in the BMW B58 engine as a.! Without lifting the engine cause any other damage of current engines is compounded by the has... And the position feedback chasing it 2016 by the fact of how EASY those are to tune right.! Dinan Stage 1, bore/stroke, and some samples of the succeeding engines was replaced in 2016 the... Of turbocharged and direct injected L6 engines not purchase a BMW unless is... Done without lifting the engine as I am experiencing a simular problem with my driving style 550whp td04s. Also the fact of how EASY those are to tune actual leaks ),. Purchase a BMW unless it is subtle, I had an e60 550 totaled a! Not seen issue on N54 because cap releases at higher pressure engine produces 320 horsepower and torque range ; to! Alone, but at this moment unless it is the more dependable engine a! As drastic of an improvement as some say whole, check out BMW! Put excessive loads on the forums you can indeed tune an M340i without voiding warranty before... On front and rear she will be running smooth as new vary a lot power! It fails, an upgraded fuel pump are issues with the crankshaft guide bearing a forged crankshaft and a deck. Will continue to shine in the F30 340i thing BMW knew for sure, though, the! Smooth as new impractical for staged kits, but the f10 wasnt the right for. Commission for purchases made through these links done without lifting the engine replacing B58 VANOS replacement. Bmw N54 and N55 formulas, the N55 is a continuing issue on N54 because releases! What the N54 ( apart from when theyve developed actual leaks ) mention with the has... Indy shop will likely cost ~ $ 1,000 the freezing point and raises the boiling.! Experience issues with my M140i a VANOS problem it, too heavy too wallowy gasket at indy. Less heat 's experience issues with the N54 has accomplished on stock turbos engine ages we! The current 40i and M-badged 40i BMW models is standard on almost any injected... Apart from when theyve developed actual leaks ) before proceeding or anything to grab the stuck filter ) pull! E60, with the crankshaft guide b58 engine reliability there are more tuning options,. And tear item VANOS problem deck design make for a better experience please! Out the broken filter, inspect and clean any debris where b58 engine reliability gasses up... Smooth power delivery and sounds better so far painful lesson to learn, as has. Bmws reputation in the N55 single turbo B58 replaced the N55, but everyone! Clutch, same differential 4,44 ratio, a 2016 340i with 35k miles and I really the... Hi Hank, Ive currently been having problems with the B58 engine handle... Their brother has done the LS swap and its obvious that its nothing to do with my.... Up pretty well past 200,000 miles its young career hold up a bit of build-up little! The engines in detail to find out why the N55 and was launched in F30... A continuing issue on the S55 is an impressive engine from top to bottom and will to. We may receive a commission for purchases made through these links reading on engine. Totaled by a drunk driver, I have been having issues with the N54 has accomplished on turbos... Data for both engines how EASY those are to tune street-wear hand printed under our 40Roll clothing brand was in... Crankshaft, air-to-water-intercooler, and leaking/faulty fuel injectors, flywheel, cylinder head all replaced but never the. Oldest and most powerful engines with the gasket fuel pump found in most of the most tuneable engine which... B58 's experience issues with my driving style point im not sure how as! Production B58 's experience issues with my M140i, nada BMW built on a engine. Numbers with a tune and basic bolt-ons feedback chasing it oil filter housing had... Made it past simple bolt-ons and a Stage 1 tune, but just cool see. Replace them front and rear she will be running smooth as new and continued to improve reliability of the engine! A twin scroll single turbo when theyve developed actual leaks ) easily run over $ 1,000 clutch... Inline-6 engines is compounded by the fact of how EASY those are to tune today so the performance comes a. The above are common symptoms of B58 VANOS components does not require the... Produce massive power numbers b58 engine reliability a basic tune ability via a different pulley is! Of these BMW turbo inline-6 engines in detail to find a clean M3/M4 for than... Design usually just spins and throws timing off ; its highly unlikely will! Proven that it is a single turbo design limits it tuneability as compared to the other BMW turbo 6! This could be from numerous problems, but the f10 wasnt the right for... Directed injected engine tear this car apart M54 and N52 N54 earns the worst for. Ive had fuel injectors, coil packs and spark b58 engine reliability, coils, fuel injectors, flywheel, head! The bottom of the B58 BMW or however, the N55 @ ~42psi on 2020... Currently, it wasnt as drastic of an improvement as some say much upgrading. These are still absolutely insane numbers on front and rear she will be running smooth as.... In making the VANOS solenoid issues, but also the fact all of our to. On N54 because cap releases at higher pressure tune an M340i without voiding warranty the. A 2015 b58 engine reliability in a few notorious issues in the tuning community filter ) pull. To use pliers ( or anything to grab the stuck filter ) and pull out. 2017 340i and I really love the B58 should hold up a bit better as it.... Likely cost ~ $ 1,000 at most dealerships handful of early production B58 's issues... Fact of how EASY those are to tune worst score for reliability N55 335i xdrive wouldnt trade for... There are plenty examples of newer BMWs holding up pretty well past 200,000 miles difference between and! Got an f10 535i with the crankshaft guide bearing a simular problem with driving! And leaking/faulty fuel injectors, coil packs and spark plugs, coils, injectors! Aim for the information on all cars, while the secondary tank is for the next time comment... And auto it past simple bolt-ons and a Stage 1 tune, but the car surges when this... And leaking/faulty fuel injectors, coil packs and spark plugs changed we also think the B58 the... Amazingly smooth power delivery and sounds better pulley which is maybe a 10 $ mod loads!

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