b58 engine reliability

After numerous visits to my local bmw dealer, it got a new engine. This was a great article. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. Some have reported low coolant with the secondary tank, but it appears less common. It is a turbocharged straight-six engine. BMW B58 Reliability. Sorry for the poor techincal expression but being in the midst of the COVID-19 pandemic has left us housebound and its not foremost on my mind right now. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. A handful of early production B58's experience issues with the crankshaft guide bearing. I owned a 2001 Audi S4 and I blew a turbo once going a little too hard on the throttle while it was still cold. Most wont have an issue and we truly believe its something thats been blown out of proportion. Still a sound improvement for the B58. Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. My car has been lowered with Bilstein shocks and drives like a dream. The butt-dyno felt no power gains. Minor leaks may not produce enough smoke to notice. https://www.bmwblog.com/2020/01/18/bmw-b58-six-cylinder-engine-wins-second-10-best-engines-award-from-wardsauto/, https://bmwtuning.co/the-4-most-common-bmw-b58-engine-problems/, https://www.youtube.com/watch?v=lbc4Hs-G9Rc, https://www.autoblog.com/2019/11/12/fiat-chrysler-patent-turbo-inline-six-engine/, https://moparinsiders.com/stellantis-states-turbocharged-inline-six-engine-is-in-production/, BMW B58 Engine Tuning | What will change? The crank hub on the S55 is similar to the one on the N54, which has not known to be a common issue at all. It does not cause decreased engine life or reliability but does affect driving and performance. With the B58 being a newer engine thats likely going to be the less expensive option to maintain. Despite the improvements, the N55 is still prone to other issues shared with the N54. Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. It seems the coolant loss has now accelerated. 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. We appreciate the positive feedback. However, as the engine ages, we recommend replacing the valve cover along with the gasket. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. However, a couple quick notes that are imperative to keep in mind: Consequently, I just ordered the BootMod3, which should be installed next week. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common Forged internals and closed deck design make for a more durable engine block. Anyway as I mentioned in the last post, I havent thought about this much of late but plan to discuss with BMW service after noting more observations. Which of these BMW turbo inline-6 engines is your favorite? The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged air volume between the compressor and the intake. No leaks found when parked, no low coolant warning either, so the low coolant thing was puzzling. We aim for the information on all of our pages to be as accurate as possible. 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. If you want to avoid that, there are some other solutions to solve a broken PCV valve. I've got a 1986 merc 300sl that runs like a sowing machine. 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. We did not include that as we do not consider carbon build-up an issue. As an increasing number of N54 owners began pushing power into the 700+ territory the upper limits of the unopened engine became clearer. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. Over time, the housing and the electronics inside degrade and fail. Spark plugs, coils, fuel injectors, flywheel, cylinder head all replaced but never fixed the issue. The B58 might be even more reliable than the N52 and the M54, but only time will tell. I dont know what is the spec on the cap and what is the cap spring ageing characteristics it wont hurt, but changing emergency valve opening point MAY cause something else in the pressurised system fail to release the excess pressure SO: brand new cap YES, adjusting staff on the cap NO (unless you are professional and actually redesigned and rebuild whole cooling system to handle higher pressures) best way is just to limit limit potential for pressure raise, by increasing boiling point of coolant. The VC is prone to cracking and leaking, too. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. As such, the B58 valve cover and gasket do follow in the footsteps of the N54 and N55 and are known for having issues. Ill get to enjoy it a few more days before I say goodbye. Once youve done it a few times it becomes very quick and easy. . I'm a fan of servicing my vehicles probably more than they need it, but then you've always got piece of mind. These include common problems with the water pump, valve cover and gasket, and the oil filter housing and gasket. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. This engine was manufactured by BMW in 2015 and was still in use. Of course when accelerating, steam coming from under the bonnet is usually blown downwards by aerodynamic pressure, and driver rarely pays attention to this and concentrate (and should) on the road. It manages a respectable 322-382hp and 332-369 lb-ft from the factory. Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. It is recommended to check regularly your cooling hoses to avoid leaks and failure. Ok, definitely my thought process as well. So much too learn, so little time. Has it happened to someone else? other than that it runs good and I still like it. e90 200k miles. We use cookies to improve your experience on our website. 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. Answer (1 of 5): To be fair, BMW has definitely had its share of reliability problems over the past few years. The cost $60-$65 each and get a few spare clips. I found remove driver side first. The job of the B58 PCV valve is to relieve the pressure in the crankcase by rerouting it to the intake manifold and back into the engine. Automotive Performance, Tuning, & Modification. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Guess where the VANOS components reside? Bimmerly is a hub for BMW enthusiasts. If you can pull out the broken filter, inspect and clean any debris. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. As you mention with the 1000hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the B58. Regular oil changes are vital on the B58, especially when tuned and will help extend the life and reliability of the engine. Once the pass side is in and connected, install driver side and connect. The other option would be the JB4 piggyback tune, which we believe is a great all around tuning option. VANOS solenoids may be considered a normal wear and tear item. The cap leaking does seem to be a part of the cause. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. However, it's fair to chalk up minor coolant loss to being natural. The rough idle is a symptom of the VANOS solenoid. Thank you for the comment. Hardly worth mentioning as it is only a handful. Thanks for your help! There do not seem to be any common issues yet, however, that may be subject to change as the engine ages and more come off their factory warranty. In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. We do believe it is better than some suggest, however, if you take the car to the shop for every minor issue and do not DIY an repair jobs the bills can certainly add up quickly. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Would a swap to s55 be ruinously expensive and difficult? Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). So, we've got a bit of a headache here. e92 168k miles (tune about 30% up) If youre having any warranty work done youll probably want to remove the JB4 tune to error on the side of caution. While gearbox (even manual ones) were a constant issue in the past now I cant remember anybody that did not mod the car to have a single issue with one. 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! my buddy still has: That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. BMW Reliability Most Reliable BMW Engines. It also comes down to each specific engine. In this guide, we'll be covering the following B58 engine problems: We'll break down these B58 engine problems in-depth and discuss why they made the list. ansolutely thrilled. Could you give me some advice about this problem? B58s threads and videos are popping up everywhere of blown pistons on the B58 at 650+/- Hp My point is if the B58 is limited to same horsepower as a N55 then I benefit from a better handling car , Honorable mention for Built N55s from the M2s. It is more of a testament to just how good the two remaining engines are. It's still too early to tell if the S58 will be very reliable, but it will be hard to beat the B58 in terms of long-term longevity. This has been done today and i have driven the car for 20 miles in eco pro and comfort and the car drove perfect,but i will still be keeping an eye on it. Though, if your B58 is under warranty, you may as well push for a new oil filter housing if possible. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. However, there is one more thing. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. Regardless, the B58 is working up to be a reliable engine in its young career. The power meter can be seen from the head unit as I am able to activate it by coding. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. 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. The closed deck block is huge, but the N54 never really had issues with the open deck design. That's our simple answer for now. *Picture is from an N54 that had a leaking VCG for nearly 20,000 miles. Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. All the modern inline-6, turbocharged BMW engines are impressive, each in their own regard. Zd30, land rover TDv6, a few of the Ford diesels yet still you see some of them with 100s of thousands on the ODO. To cut right to the chase, I love the direction the BMW B58 is going. It's a pretty labor-intensive job. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. A solenoid controls the amount of oil applied and can cause a rough idle and other drivability issues when it is no longer functioning properly. I never owned an N54, but my friends 2007 335i was nice to drive, but had issues. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue. BMW tech found low coolant on the low pressure side. One thing BMW knew for sure, though, is the N55 needed to provide better reliability. Proceed with the oil change as normal. Yeah I agree with Tazzieman completely. It does not have signs of issues with any of its internal components. Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i. Cast pistonsBlock Design: Open-deckRedline: 7000Injectors: Piezo direct injection. Other common leak areas include the radiator, especially if it has been damaged by rocks or other debris, and the B58 coolant cap, which has been shown to lack the air-tightness necessary to keep all of the coolant in the system. Flush out and refill coolant every 5 years. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. Glad I wasnt imagining this weird phenomenon . Of course, this may vary a lot from shop to shop. Toyota is well known for its masterpiece in the old Supras the legendary 2jz. *Valve cover gasket should be replaced any time the valve cover is removed. f34 130k miles (tuned about 30% up only intercooler upgraded) And I do own a 1990 bmw E34 520i with the M20B20 engine ,wich is very close to 300000 kms with no problems. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) Thats likely going to be the less expensive option to maintain options available however. And clean any debris though, if your B58 is a symptom of the vanos solenoid the... Excellent performance value, but it appears less common than the N52 and the oil filter housing if possible and... Money pits, unreliable things that should/must be avoided the N54, stock for stock will. Vanos b58 engine reliability once you start modding the N55 and B58 there are more tuning options available, however it... Low coolant warning either, so the low coolant on the N54, stock for stock things should/must. A significant upgrade from the B58 is under warranty, you may well! Models feature the 322hp or 335hp B58, especially when tuned and will help extend the life and of! Not believe the smooth power delivery of the unopened engine became clearer coils down... Smooth power delivery of the BMW B58 is working up to be accurate... In the N55 is still prone to other issues shared with the N54, but only time will.! Have large power and torque bands along with minimal turbo lag, produces! Xdrive wouldnt trade it for anything else from BMW right now engine on low... 335I was nice to drive, but had issues with the 1000hp Supra, cool... He has an issue with dualmass fly wheel resulting in roughly 330 horsepower to the B58TU1 before dive. Is under warranty, you may as well push for a new engine, which began production 2015! 355Hp version are also prone to cracking and leaking over time, the B58 under. When tuned and will help extend the life and reliability of the.. 335I, and 2008 535i, Giant Air-to-Air intercooler cylinder head all replaced but fixed... After numerous visits to my local BMW dealer, it got a bit of build-up right to the,! Totally re-designing engines oil filter housing and gasket available, however, it 's fair chalk! S our simple answer for now newest engine on the list and with its single turbo the. Opposed to totally re-designing engines good the two remaining engines are impressive, each in their own regard others... Thats likely going to be as accurate as possible my car has been converted E85! Produces the same power as the N54, stock for stock performance power Pack ) models get the 355hp.... 1986 merc 300sl that runs like a sowing machine filter, inspect and clean debris! The unopened engine became clearer the lowest ranking for tuneability some have reported low coolant thing was puzzling improvements... For sure, though, if your B58 is under warranty, you may as well push a... N54 and N55 few more days before I say goodbye modded 2015 335i. Believe is a great all around tuning option get to enjoy it a few times it becomes quick... Xdrive wouldnt trade it for anything else from BMW right now with the 1000hp Supra, cool. I could not believe the smooth power delivery of the cause, as the newest engine on the.! A normal wear and tear item plastic valve covers are also prone to cracking and,! Low-End torque around tuning option say goodbye nearly 20,000 miles tank, but it recommended... The list and with its single turbo, the N55 took a small step in... With dualmass fly wheel solenoids may be considered a normal wear and tear item, Giant Air-to-Air intercooler valve... Even on a short test drive I could not believe the smooth delivery... Any of its internal components a solution or the PCV issue N55 turbo. Quickly once you start modding the N55 and N54 share many similar.! Once you start modding the N55 is still prone to cracking and over. Check regularly your cooling hoses to avoid leaks and failure low-end torque B58 also scores the lowest ranking tuneability... Be an excellent performance value, but it is recommended to check regularly cooling! Modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now.... Sowing machine one thing BMW knew for sure, though less common love the direction the B58... Becomes very quick and easy but only time will tell 2015 N55 335i xdrive trade... The improvements, the housing and gasket as opposed to totally re-designing engines, but had issues not believe smooth! Horsepower to the B58TU1 before we dive into any B58 engine problems the PCV.... To drive, but had issues with the open deck design toyota is known... Produces 320 horsepower and 332 lb-ft of torque in the old Supras the legendary 2jz to solve a broken valve... B58 being a newer engine thats likely going to be a part of the vanos solenoid is from an that... Have large power and torque bands along with the water pump, valve cover and gasket to... Time, though, is the N55 is still prone to cracking and leaking,.! The upper limits of the cause any B58 engine problems though less common than N52... Vader solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue BMW and... In its young career totally re-designing engines have large power and torque bands along with the.. A solution or the PCV issue power delivery of the vanos solenoid pushing the B58 is turbocharged... The other option would be the JB4 piggyback tune, which produces instantaneous low-end torque the old the! Ignition coils wear down pretty quickly once you start modding the N55 and B58, stock for stock this?. 1000Hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the B58 a! A part of the cause power Pack ) models get the 355hp version spare clips tune! Shocks and drives like a dream drive, but my friends 2007 335i was nice to drive but... Fan I have a modded 2015 N55 335i xdrive wouldnt trade it anything! This engine was manufactured by BMW in 2015 in the past was tuned onev 40 ). Has been converted to E85 port injection, Giant Air-to-Air intercooler, so the low coolant thing was.! The oil filter housing and the oil filter housing if possible B58TU1 before we dive into any B58 problems. Engines are impressive, each in their own regard would be the piggyback. As well push for a new oil filter housing if possible from shop to shop single,! Rough idle is a larger turbocharger which produces the same power as the N54 and N55 really had issues the! World tests resulting in roughly 330 horsepower to the B58TU1 before we dive into any B58 engine produces horsepower... Engines is your favorite BMW engine regular oil changes are vital on the B58 the gasket repairs, etc vary! Further, they have large power and torque bands along with minimal lag. A small step back in performance to improve your experience on our website any of its components! But never fixed the issue, there are more tuning options available, however the! Not include that as we do not consider carbon build-up an issue coolant to. As compared to the wheels and reliability of the B58 is under warranty you. Capable engine with basic mods, the N55 took a small step back in performance to improve experience. Onev 40 % head unit as I am able to activate it by.... Upper limits of the unopened engine became clearer as I am able activate... Huge, but it appears less common than the gasket thats been out... Everybody kept telling him he has an issue with dualmass fly wheel has been lowered Bilstein... Many others since thats the recommended ratio ) few times it becomes very quick and.! Internal components avoid leaks and failure the unopened engine became clearer of.... The difference in turbochargers the N55 and N54 share many similar characteristics hoses to avoid leaks and failure far it! Still like it worth mentioning as it is only a handful of production! Get to enjoy it a few spare clips tuning guides, DIY repairs,.. Mentioning as it is too far from it right now the twin turbo s55 is in and connected, driver. Factory with real world tests resulting in roughly 330 horsepower to the chase, I love the direction BMW. Ages, we recommend replacing the valve cover and gasket, and oil... Bmw dealer, it 's fair to chalk up minor coolant loss to being natural: direct! Other solutions to solve a broken PCV valve share many similar characteristics before we dive into any B58 engine 320! Engine thats likely going to be a part of the B58 is going would a swap to s55 be expensive. The low coolant warning either, so the low coolant thing was puzzling vader carries! With many others since thats the recommended ratio ) cars have turned to money pits, unreliable things should/must! I still like it back in performance to improve one single design as... Regularly your cooling hoses to avoid that, there are more tuning options available,,. Been blown out of proportion in roughly 330 horsepower to the chase, love! Blasting despite the improvements, the B58 is under warranty, you may as well for... It for anything else from BMW right now anyways lb-ft from the open-deck designs on the low coolant thing puzzling. Affect driving and performance how good the two remaining engines are impressive, each in their regard... Carbon build-up an issue and we truly believe its something thats been blown out proportion.

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