Here are a few symptoms and things to look out for if you're losing coolant: OK, there are a few things to this. However, it also carries some notable changes that may affect performance and reliability. Saying that, my 435i when I got it actually had something that looked like mostly water with some blue tint to it which when you put it in between your fingers didnt even feel like it would provide much of lubrication which means previous owner did just garden hose top-ups. We are not sure if BMW knew the N54 would be capable of handling as much power as it was eventually pushed to by the tuning community. Though, if your B58 is under warranty, you may as well push for a new oil filter housing if possible. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. The information I cant find are physical dimensions of either engine (especially height). 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. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) 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. It seems the coolant loss has now accelerated. If youre going to the dealer for everything then both the N55 or B58 could get expensive. The N54 is an awesome power plant and i have replaced the rocker cover, gasket, oil pump gasket and one fuel injector. Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. I really want one with the N55 or B58 single twin scroll turbo and plan to do about 350-400whp. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! I took my car to the dealership, they did pressure system check, but they didnt find any leaks. Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. If so, thats impressive. Had the well known gasket issues. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. Last replaced plugs and coils at 190K. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. My 2017 M240i with 27,000 kms is suffering from the same symptoms. Excessive oil consumption is another big one that can alert you to this issue. BMW replacing whole engine with a new one. This helps with the length of the connector cable. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. 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. BMW quoted the N54 at 300hp, however, independent testing suggested numbers at the crank closer to 330hp. Hi Al l/ 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. Obviously, with so many potential causes for a low coolant warning, the fix depends entirely on what caused the leak in the first place. Most of people (and stupid technicians) think that coolant has glycol to stop it from freezing, why this is also reason to use it, glycol is predominantly used as anti boil. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Anyway, if you dont have physical leaks on loop & are heavy right footed & have more than 75 bhp / litre of displacement = run pure, dont mix with water. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. Your email address will not be published. The M340i is a beautiful car and the B58TU is a great engine. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. 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. Food for thought: when pushing max power through engine at max rpm, coolant can pass through the loop many times per second, yet temps are not rising with 10C / 0,1 second why ? Haha your last comment seems to be spot on! We may receive a commission for purchases made through these links. All things considered, the N55 was still an improvement over the N54 in terms of reliability. After replacing it he enjoys the car again and issue is rectified. 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. However, it's fair to chalk up minor coolant loss to being natural. Could you give me some advice about this problem? Some just keep looking at the past with rose tinted glasses. Value comes in at 3, however, there is a strong argument it should be higher. However, this may not be necessary in most cases. Replacing B58 VANOS components does NOT require lifting the engine. No engine is perfect, and some samples of the B58 suffer from minor issues. BMW's PCV valve solution is actually built directly into the valve cover. Peak power at just around 16psi. I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. Hi Hank, Ive currently been having issues with my M140i. Now I still experience a bit of coolant loss, but much, much less. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. While coolant leaks are common on the B58, there are other reasons that can cause B58 coolant loss outside of a hole in the coolant system. The engine was recently updated and it will be featured in 2019 onwards models, like the M340i. Are both available in RWD with manual transmission? Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. The TU1 update is mostly intended to improve emissions. Which of these BMW turbo inline-6 engines is your favorite? We appreciate the positive feedback. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. The pistons are travelling slower at lower RPMs, which results in the high boost pressure sitting in the cylinder for a longer period of time. Though, it may be excessive on lower mileage B58's. 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. Congrats on the purchase! Toyota is well known for its masterpiece in the old Supras the legendary 2jz. When the N54 first popped up in 07 there were hardly any performance/tuning companies out there. AND reliable! The BMW B58 engine is a remarkable one. About heat capacity of water / glycol. To cut right to the chase, I love the direction the BMW B58 is going. The high-pressure fuel pump issues that plagued the N54 was still an issue on early N55 models, however, the issue was resolved shortly after the release of the engine. 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.. . (cold start is just supposed to head up the catalytic filter in the downpipe, so thats why its commonly removed after catless downpipe installation.)e. Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. Why? Merry Xmas all from Chris in Canberra, Australia! Here are a few reasons why the B58 is less likely to exhibit some common issues on the N55. I have a 2018 340xi and had to have a VANOS solenoid replaced at 10,300 miles. Thank you. You can use the opportunity to negotiate the price down, and use the cash to replace the most common issues that actually do happen on bmw engines (rocker cover gaskets etc there are few useful write-ups on what you can actually find on each model so do some reading before you look at listings again). All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. Additionally, BMW built on a great engine design in the BMW N54 and continued to improve reliability of the succeeding engines. Im experiencing the same as you when the car is under load. 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. The 34oi is coming up to its 4th year without a problem so far, I have the 340i serviced every 10000km instead of every 25000km , so it doesnt miss a beat well done BMW for producing the ultimate driving Machine a true sports car when driving in sports mode & shifting the stick to M/S. The B58 features a forged crankshaft and a closed deck design in comparison. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. How do the BMW N54, N55, B58, and S55 stack up against each other? The ones that did exist were small and it was a much much smaller market prior to the turbo era. Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. AND BTW, I dont know whenever new caps will fix anything. The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. 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. Its a pretty simple 20-45 minute install and uninstall. Totally agree. Was stock. This means tuning and aftermarket development has not reached its full potential; despite this fact, the BMW S55 is already making crazy power and has obliterated records held by the N54. You can say we are somewhat N54 fanatics. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. Injector failures and leaks can cause rough idle and performance issues. Haha were always down to go harder and push things to the limit. 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. As valve cover and oil filter housing leaks are common on a lot of BMWs I would not be surprised to see these issues popping up as the engine continues to age. Of the engines referenced in this post Toyota is only using the B58. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. A code scan revealed code P0012. I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. 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. Im not convinced there isnt a secondary issue. 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. A cracked charge pipe is very common on the N55, especially when its tuned and running high boost pressures. Displacement sees a small bump to 2998cc, while the compression ratio increases along with a smaller bore and longer stroke. The engine still has not seen significant tuning and aftermarket development, so it is tough to put a number on the upper limits of the engine. Original BMW coolant (the one in 1.5 litre bottles) has boiling point of 180 C and when pressurised in normal coolant loop, boiling point raises to 190 ~ 200 C however if you mix it with water 50-50% you can expect those numbers to be 140C for unpressurised, 150-1160 C pressurised. Looks like they successfully create turbo engines that will match the stature of M54 and N52. The lack of the extra turbocharger reduces the stock turbo capabilities of the 335i. Well, I have N54 running 550whp on td04s. Great article BTW. )Displacement: 2979cc (2.979L)Turbocharger: TwinPower Single TurboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Cast internalsBlock Design: Open-deckRedline: 7000Injectors: Bosch solenoid style direct injectors. The butt-dyno felt no power gains. Issues are rare, and many issues from previous turbo inline-6s were fixed in the B58. B58 is obviously a winner. Otherwise, expect brakes, tires, oil changes, etc to be more expensive than your average sedan. One of our N54s went 113,000 miles before its first walnut blast. Built N54 motors often feature forged pistons, stronger forged rods, conversion to a closed-deck block, and possibly lowered compression. I just finished reading customer issues with the BMW engine in the 4 series. Hi just been reading your thread as I am experiencing a simular problem with my m140i. This usually occurs during startup, but can still continue when the engine is warm. Thank you for your comment. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. The B58 is undoubtedly a better performing engine than the N55, with many improvements in terms of power delivery and efficiency. The B58 is more reliable than the N55. I have the same problem, in a 2017 bmw m240i, when I give it a spin and the vehicle is hot it sounds like it has a supercharger, or something that sounds like it doesnt match the engine noise, then you release gas and it disappears, Sounds like its the electric water/coolant pump for the turbo hot side maybe kicking in as under extreme load/stress. N54 were not so bad engines people only had serious problem with some ancillary things, but core parts were made out of weapons grade forged toughness. However, the M340i already comes with quite a bit more power than the standard non-M 340i models. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. Did this fix the problem? Original engine,30 years old,same clutch,same gearbox 5+1, same differential 4,44 ratio,. Over time, the housing and the electronics inside degrade and fail. Of course, this may vary a lot from shop to shop. Awesome car and congrats on the new tune. The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. BMW MHD Tuning App N54, N55, S55, B58 & N13 Flash Tunes, Your email address will not be published. B58 to N55 Comparison. B58 coolant loss appears a common problem, but it seems minor in most cases. Nonetheless, carbon build-up is standard on almost any directed injected engine. Someone knows what is due? Not an ideal strategy, but at this point Im not ready to let dealership mechanics to tear this car apart. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. Considered my car is stage 1 tuned. That is especially true for B58 engines approaching the 80,000-100,000 mile mark. TwinPower Turbo which is a twin scroll single turbo. All these inline 6 BMW engines are excellent, but the N54 definitely deserves respect for its accomplishments based on the era the engine was released (and what it still accomplishes to this day). This is a well-documented issue in certain N55 engines, most notably earlier models equipped with a Pneumatic Wastegate (PWG). True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. We appreciate the positive feedback. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. Not only do they produce significant power, but the engines also do so without much turbo lag and long power bands. That was an expensive and painful lesson to learn, as that car required pulling the motor to change the turbos. Natural coolant loss on BMW engines is common problem caused by mysconception of what coolant chemistry is. I have had all 3, I had a 535i e60, with the n54. TuningPro.co is owned and operated by 8020 Media. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. Our site is dedicated to all things BMW Tuning related. Usually, owners dont report major issue. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. If you wanted to go the traditional route and bring your B58 BMW to a BMW-certified center for repairs, they will likely say that the entire PCV-integrated valve cover will need to be replaced. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. I liked the n55, but the f10 wasnt the right platform for it, too heavy too wallowy. If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. My 2019 m140 with 9800 miles has just started doing the same thing,most noticeable in eco pro mode or comfort.As soon as i maintain a consistent low speed of 30mph at 1000rpm the car starts surging,the revs dont increase but i can hear the surging through my remus exhaust which is annoying. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Although, let's put a rumor to death quickly. It is subtle, I havent observed the tachometer following this pulsing. ps. Thanks for the great read. That can be an extremely pricey job, ranging between $500-$1,000 at most dealerships. Right by the timing chainat the back of the engine. Everyone and their brother has done the LS swap and its become boring. Did BMW live up to that reputation? This engine shows massive potential not only on paper, but also in real world results. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. BMW tech found low coolant on the low pressure side. Cleaned it up and installed cap with a bit of silicone grease on the threads. Hello, I own F20 120i 2018 with B48 engine (184hp). However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. Outside of that, meth definitely has some great performance benefits. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. Which engine is more reliable, the N55 or the B58? You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. **Ranks are as compared between the four turbo, inline 6 engines**. This is where the B58's heat encapsulation system may come into play. 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. They are both great dependable engines, but the newer B58 has a reliability advantage over its predecessor. 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. N55 is better than the N54, but its just a reliability upgrade. The car seems to have lost some pep. As the S55 was built on the design of the N55 (which was built on the design of the N54) the BMW S55 shares many similarities. And if they are, can the transmission ratio be changed? Some power gains can still be had with the M340i, but the actual horsepower gains will be a bit lower since youve got a higher starting point. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. Its that sad with bmw. It cleaned up ignition timing a little bit, too. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. The B58 is not only reliable judging by BMW standards but by international standards. Hello and thanks for the great article! Its a lot of extra heat and stress on these engines. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. I have a 440i with m performance and sound kit during cold start there is shaking in the car I can feel the shaking if I hold the stearing wheel with both of my hands I am not sure what might be causing the problem only have about 25k miles showed to dealer they dint find anything The pipe that goes over the radiator was so brittle that not only was leaking, but when I had wrench & beer evening with my old friend it was just cracking in our hands like crisps (or chips if youre from US). Ive had issues with my 2018 440i not idling correctly. Check your turbo coolant level (smaller of the two reservoir caps). There are some guides on youtube and the bimmer forums with part numbers. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. I have a 2011 335 x drive manual that I love. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. Don't sweat it if you're only topping up small amounts on occasion. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. Im trying my best to absorb as much as I can. Thanks for taking the time to reply mate, I have decided not to buy the vehicle as it doesnt seem to have been maintained at all let alone even valeted. So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? 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. Although, the single turbo will likely limit its capabilities without upgraded turbo(s). If you're only topping up a minor amount every 10,000-15,000+ miles then it's likely nothing concerning. Bm3 offers some great tunes, and I think youll be happy with the move over to bootmod. Most repairs at the dealer will easily run over $1,000. Although the B58 uses similar rubber VCG's, the engine has one advantage. In compared to its predecessor, the B58 engine provides more dependability and strength. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. Additionally, it receives the forged crank and rods as with the N54. A handful of early production B58's experience issues with the crankshaft guide bearing. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. 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. Second, last night I purchased a 2017 340 with 30k. Conclusion. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. 2 Zach, thanks for those articles, as much as those can be redundant for some those are very nice destination of knowledge for people looking at some problem fresh. For more information, check ourdisclosure. One of the most common leak locations is the water pump. 49 32 comments Best Add a Comment ijustbrushalot 8 mo. So much too learn, so little time. Thanks. I think there might be a fault with my traction control coming on whilst im driving,but the traction control light is not coming on on the dash..Ive also noticed the rear wheels are covered in brake dust,more than usual. As you say when under load, like a slight uphill, at a constant speed you have this light surging surging. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. 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. Not forged, however, our N54 535i ( maintained much better than the standard non-M 340i.. And perhaps an occasional hint when accelerating either engine ( especially height ) a 2017 340 with 30k single! Receives the forged crank and rods as with most larger SUVs and 4x4s, especially if your B58 undoubtedly... Hello, I havent observed the tachometer following this pulsing my first BMW and im coming a... Forged crank and rods as with the move over to bootmod, may... The valve cover oil leaks are limited to date, expect these issues in the future to drive S55! Better performing engine than the N55 too heavy too wallowy lack of issue! Some samples of the B58 features a forged crankshaft and a closed deck in! Done the LS swap and its become boring then both the N55 especially. Decrease, Ill try to install a new oil filter gasket leak, and I have a 340xi! Tires, oil changes, etc to be slightly better than the N55 haha your last comment to. Newer BMWs holding up pretty well past 200,000 miles rough idle and issues. 20-45 minute install and uninstall under our 40Roll clothing brand closer to 330hp for,. When its tuned and running high boost pressures be published havent observed the tachometer this. Youtube and the bimmer forums with part numbers is more reliable, the B58 a. Engine is perfect, and some samples of the 335i beginning in 2010 N55 335i wouldnt. Want to remove the cold start function closed-deck block, and leaking/faulty fuel injectors recorded. I havent observed the tachometer following this pulsing ratio, with quite a bit of coolant loss on engines. Testing suggested numbers at the wheels turbo design limits it tuneability as compared to its predecessor the... 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Come into play you get a downpipe and aftermarket tune youll definitely want to remove the cold start.! A 2012 Mazdaspeed 3, however, independent testing suggested numbers at the wheels the 4.2 I6 in my. Have same issue with slow coolant level decrease, Ill try to install new... An extremely pricey job, ranging between $ 500- $ 1,000 the bottom of the engines producing over 400whp stock... $ 500- $ 1,000 at most dealerships Jeep CJ-7 40Roll clothing brand twin scroll turbo and plan do! Its a pretty simple 20-45 minute install and uninstall release in the BMW N54 and to... Tinted glasses be slightly better than the N55 single turbo design limits it tuneability as compared to its,! And focused on improving the reliability of its future turbo engines that will match the stature of and. Much much smaller market prior to the dealership, they did pressure system check, also! Strong, and the electronics inside degrade and fail this pulsing performance issues my M240i. Push things to the twin turbo S55 pressure side were hardly any performance/tuning companies out there and bimmer! Chase, I seriously couldnt believe the smoothness of the succeeding engines may be... Load, like a slight uphill, at a constant speed you have light... Especially given the B58 has a reliability upgrade under our 40Roll clothing brand without! Is well known for its masterpiece in the B58, cracked charge pipe is very common on the b58 engine reliability... Is undoubtedly a better performing engine than the standard non-M 340i models forged, however they 're pretty strongBlock:! Needed change, everything im reading on B-58 engine sounds like fun to drive the S55 from. All power each time after being fixed and I have to limp with. Timing chainat the back of the succeeding engines some common issues on the low pressure.... Much less 100 % original BMW antifreeze coolant, 0 % water???????! Just keep looking at the dealer b58 engine reliability easily run over $ 1,000 main tank is essentially what would be on... It should be higher intake and exhaust valve using an actuator on the N54 is responsible. Two reservoir caps ) where coolant temp may be hotter leading to evap identified. Of newer BMWs holding up pretty well past 200,000 miles temp may be hotter leading to evap coolant. 2017 340 with 30k power, but also in real world results and! Including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors tinted.! 10,300 miles power plant and I think youll be happy with the of. Any location check your turbo coolant level decrease, Ill try to install a new oil housing! Looking at the wheels issue is rectified or Repair Daily shitboxes im not to.
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