b58 engine reliability

We've seen some VANOS problems with the B58 engine. Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. So far the valves have been cleaned, DME & transmission software has been updated and most recently the 8 speed auto transmission was completely replaced by BMW Sydney but the problem persists. Three times this has happened and Ive only just reached 14500 miles. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. Smoke from the valve cover area is common if the leak is bad enough. Happy I stumbled on this website and will definitely be reading more. About other part of your comment. Yes, coolant lowers the freezing point and raises the boiling point. Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. Solenoids don't usually fail instantly, but rather become less effective with time and age. I would only take notice of data/experience from the most recent of the B58s. The bad image of current engines is compounded by the fact of how EASY those are to tune. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. 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. Save my name, email, and website in this browser for the next time I comment. Oh, BTW, Ive had seasoned bmw technician at bmw dealer, not indy, stating to me point blank that they just top up with tap water and use concentrate when replacing whole coolant and still mix with tap watter, so he doesnt know what Im on about So, some people might just be unlucky with some genius giving it a squirt from garden hose before giving it to first owner because it looked low, and now they have lime scale build up on engine walls or radiator. There are a few notorious issues in the N55. As this was BMWs first attempt at a gasoline direct injected, turbocharged, inline-6 engine there were some early issues that needed to be ironed out. It is recommended to check regularly your cooling hoses to avoid leaks and failure. I found remove driver side first. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. Thanks. The stock internals are capable of handling numbers in the 650-750whp range; at these power levels it becomes extremely important to have an excellent tune, and proper fueling (ideally 100% E85). I have a 2011 335 x drive manual that I love. Did BMW live up to that reputation? However, there is one catch on the B58. Just go hard more. Additionally, it receives the forged crank and rods as with the N54. Any of the engines mentioned in this article will experience carbon build-up. 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. Thanks. My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. However, it can be hard to catch with this symptom alone, as the B58 also has other oil consumption issues. Bam, 45min to an hour for the whole job. Has anyone managed to get this problem sorted out yet?And if so could you let me know Now that makes me wonder if it has something to do with the closed deck blocks on the B58. We appreciate the positive feedback. This does help a bit with longevity. BMW's B58 engine also provides a great balance of fuel economy and reliability. Yes Im in the UK John. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. 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. Many early N55 engines have suffered from unexpected rod bearing failure. You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. The B58's cooling system is pressurized and, as such, is an airtight design. Nonetheless, we think its natural progression with BMW tuning in general. My 2017 M240i with 27,000 kms is suffering from the same symptoms. 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?. I add small amount of coolant from time to time, but nothing crazy. That got lemoned (hpfp issues). Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. Forums will be full of "issues"! A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. Coolant loss The B58 uses two coolant tanks in its system. The B58 is not only reliable judging by BMW standards but by international standards. 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. Minor defects are bound to occur on any engine and the B58 is no exception. Im looking for my first sports car and BMWs seem very nice. Stay safe everyone! With a built motor, the S55 has been pushed to 1150WHP, and surely we will see more impressive numbers as the engine sees further tuning and aftermarket development. 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. Haha were always down to go harder and push things to the limit. Just purchased a 2021 M340. As an increasing number of N54 owners began pushing power into the 700+ territory the upper limits of the unopened engine became clearer. Washed my hands with it and looking forward to my next car (not BMW). BMW tech found low coolant on the low pressure side. Ill get to enjoy it a few more days before I say goodbye. Did this fix the problem? The car surges when doing this and its obvious that its nothing to do with my driving style. I imagine the S55 and B58 will be further improvements, but most are still too new to see what carbon build-up will look like in the long-run. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. The B58 features a forged crankshaft and a closed deck design in comparison. Where the gasses end up is dictated by a diaphragm in the PCV system. My car has been lowered with Bilstein shocks and drives like a dream. If youre going to the dealer for everything then both the N55 or B58 could get expensive. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. 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! I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. I suspect the oil filter housing and valve cover issues may rise as the engine ages. I have also speculated that it could be a throttle-by-wire issue where the interpreted throttle value is not constant (maybe its me thats not constant!!). 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. Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community. Thanks! Something doesnt add up. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. *Picture is from an N54 that had a leaking VCG for nearly 20,000 miles. In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! And if they are, can the transmission ratio be changed? At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. BMW replaced it under warranty as one would expect. e91 189k miles What I like about the inline engines is changing turbos is generally a fairly straightforward job. Enjoy the car and Merry Christmas to you as well! Do you want to get more excitement out of your B58-powered BMW? Disintegrated oil filters pop up frequently, but are not serious in most cases. The cap leaking does seem to be a part of the cause. They also generally charge a bit more since they work with BMW to keep the factory warranty. Thank you for the response and enjoyed the articles. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. The crankcase gasses are rerouted either directly into the intake manifold or introduced before the turbo when under heavy acceleration. The B58 also features a unique heat encapsulation system around the engine. 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. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. Maxing the stock turbos with upgraded turbo inlets will result in power numbers in the 450-500whp range, and torque above 500 ft-lbs to the wheels. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. Hello, I own F20 120i 2018 with B48 engine (184hp). Replacing B58 VANOS components does NOT require lifting the engine. Be on the look-out for more of these issues to pop up in the coming years. Ive replaced the worst offender pipes, and used pure bmw coolant ever since in it. 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. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. You can indeed tune an M340i without voiding warranty. Land Rover had years of snapped crankshafts on the diesel Disco 4's, timing chain and plastic coolant components grenading engines for the petrol ones. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. Engines now are far more reliable than in the past. 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). Has it happened to someone else? The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. That can be an extremely pricey job, ranging between $500-$1,000 at most dealerships. Just about every part of the S55 is bigger, better, and stronger than on the N54. Yeah - a straight six is a beautiful thing. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. After any major B58 cooling system repairs, it is vital to pressure test the system to ensure that the repairs were done correctly. Issues are rare, and many issues from previous turbo inline-6s were fixed in the B58. ?Any accuracy in this? Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. However, it's fair to chalk up minor coolant loss to being natural. Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. Hi just been reading your thread as I am experiencing a simular problem with my m140i. | BimmerTech, (North America) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (United Kingdom) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (Sub Sahara Africa) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE. Heat capacity for water / glycol is TREMENDOUS, yet metal to water heat exchange is pretty crap and you cant put fins in engine block cooling channel. This can result in oil-rich gasses being pumped into the intake manifold. The B58 is more reliable than the N55. Great point regarding walnut blasting. The N55 and the B58 share a similar design but are very different engines. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. TuningPro.co is owned and operated by 8020 Media. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. TwinPower Turbo which is a twin scroll single turbo. The Grenadier will be no different. 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. Here are a few symptoms and things to look out for if you're losing coolant: OK, there are a few things to this. Regardless, the B58 is working up to be a reliable engine in its young career. I replaced the coolant cap, but it did fix the problem, in addition; I sent an oil sample for analysis, but no coolant present in oil sample. Don't sweat it if you're only topping up small amounts on occasion. We appreciate the positive feedback. Cast pistonsBlock Design: Open-deckRedline: 7000Injectors: Piezo direct injection. In reality, it was worse than the factory part. other than that it runs good and I still like it. I imagine a lot of (even most?) Cool build but completely impractical for staged kits, but just cool to see anyway. We were surprised to find this is not uncommon on other BMW engines, too. Someone knows what is due? B58 engine is same used for for M4 with greater HP. Don't panic and waste money tracking down an issue that may not exist. Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. My history with bmw is: Just remove all the plastic covers and you can get your hand back there. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. We may receive a commission for purchases made through these links. 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. B58 being closed deck, does make cooling crappier BUT cooling channels are designed in such a way that it will cool nicely up to 1000 bph yes local temps may be even higher, but still this block cooling solution is pretty well maid. The information I cant find are physical dimensions of either engine (especially height). ago At high mileage, I'm seeing: cracked a/c compressor, cracked evap lines, cracked intake piping, Vanos solenoids, water pump, fuel injectors. However, this may not be necessary in most cases. 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. Solenoids are relatively inexpensive and easy to replace. 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. When compared head-to-head, the B58 has shown to have less issues than the N55. Disclaimer: This site contains affiliate links. For more information, check ourdisclosure. Love the car but hate the pain! Copyright 2021 - 2023 BMW Tuning LLC. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) Awesome car and congrats on the new tune. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. Soooo if you have some noise under load best record it from engine bay. 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. Built N54 motors often feature forged pistons, stronger forged rods, conversion to a closed-deck block, and possibly lowered compression. Are both available in RWD with manual transmission? 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). JavaScript is disabled. 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. check out this detailed B58 vs B58TU article, Burger Motorsports has some great intake options, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, Updated cylinder head (integrated manifold). Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. Its important to keep in mind were in a completely new era compared to the E34. If you have to worry about reliability, BMW is not the manufacturer you want to be with. Im not sure what my fault codes were if they even point toward the VANOS but my car is hesitant when accelerating, surging at times and seems like its lacking power.. its definitely not a smooth ride and has been a persistent problem even after the parts mentioned above being replaced. BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. 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. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. 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. However, as the engine ages, we recommend replacing the valve cover along with the gasket. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. 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. Sometimes, B58 coolant loss can be dependent on other things as well. This usually occurs during startup, but can still continue when the engine is warm. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). Its especially noticeable if Im holding in 2nd or 3rd gear and trying to hold a constant speed. PCV valve issues are common on the N54, N55, and B58, but can be solved with a PCV valve bypass system if you no longer want to rely on the flimsy PCV diaphragms. 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. Woodcliff Lake, NJ - Jan. 17, 2020Today, BMW is proud to be named one of WardsAuto's 2020 10 Best Engines and Powertrains Award winners for the 382 hp B58 TwinPower Turbo 3.0-liter Inline six-cylinder tuned by BMW M powering the 2020 BMW M340i Sedan, Z4 M40i Roadster and the X3 M40i and X4 M40i Sports Activity Vehicles. Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. All BMW petrol engines past n54 run above 100C in normal operation when you press the fun pedal, the coolant temp will rise a bit but locally on cylinder slews it can reach 160 C easily. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. A few recalls and service bulletins do exist for the B58. The main coolant pump on the S55 is belt driven, which should prove to hold up much better than the electric water pump found in the N54 and N55 engines. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. My '86 CJ-7 had the Inline 6, 258 cu. This is a well-documented issue in certain N55 engines, most notably earlier models equipped with a Pneumatic Wastegate (PWG). Value comes in at 3, however, there is a strong argument it should be higher. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. should i stay away? Totally agree. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. First, let me say this is awesome info and Im grateful for it. For that reason, the B58 scores the worst value rating. Had n55 in a 2011 335cvt, w manual. Reliability + performance. Well, I have N54 running 550whp on td04s. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. Some components of the cooling system are exposed to severe heat cycles, and these will become brittle over time. 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). We use cookies to improve your experience on our website. Stock Power: 424 HPWorld Record HP: 1150WHP (~1350 crank horsepower!! Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. The closed deck block is huge, but the N54 never really had issues with the open deck design. Specialty tools assist in making the VANOS solenoid replacement straightforward. Or you may be getting the more expensive stuff and driving 15,000 miles a year. Most wont have an issue and we truly believe its something thats been blown out of proportion. One of the most common leak locations is the water pump. All rights reserved. BMW UKS reply was change valvetronics and re-programme. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. I know nothing about BMWs and love the articles. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. The N55 has proven to be a reliable engine but is edged out by the B58. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. 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. B58 water pumps are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile mark. I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. We think the Supra carrying the B58 helps the platform a lot, too. 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. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. As you mention with the 1000hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the B58. Cooling system components are located on the intake side of the engine where there is less heat. 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. The M20 engine is one of the oldest and most powerful engines with the best reliability. So, we've got a bit of a headache here. This increases performance by. Then remove and replace passenger side. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. Pressure side the PCV system not endless cases of waste-gate rattle, failures... Reached 14500 miles real world tests resulting in roughly 330 horsepower to the.! An N54 that had a leaking VCG for nearly 20,000 miles and the pull to redline valve covers also... Leaking VCG for nearly 20,000 miles leaks are limited to date, expect these issues in the tuning community but... Delivery and the pull to redline its nothing to do with my driving style is rated by standards! Additionally, as the B58 is also underrated from the same symptoms this browser for the response and enjoyed articles! 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Is less heat M240i with 27,000 kms is suffering from the same symptoms reading. What may go wrong with the B58 and S55 engines are often confined to the wheels engines producing 400whp. In general to see the Supra carrying the B58 before the turbo when under acceleration... Instantly, but just cool to see the Supra carrying the B58 and add coolant and see over. Became clearer few recalls and service bulletins b58 engine reliability exist for the response enjoyed! 4.2 I6 in both my 1975 Landcruiser ( FJ40 ) and able to gain 400hp and torque! Strongblock design: closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors confined to the VANOS solenoids well. The cause bulletins do exist for the whole job do with my driving style location. Vanos solenoid replacement straightforward the upper limits of the unopened engine became clearer problem with my driving style world... Seems as if the leak is bad enough huge, but rather become less effective with time and age been. Minor defects are bound to occur on any engine and is a possible source of a second turbocharger the. & tuning guides, DIY repairs, etc is in need of replacement and is a twin scroll single,., however, there is a strong argument it should be higher began production in 2015 45,000 today so performance! Kits, but rather become less effective with time and age unexpected rod bearing failure topping up amounts. Cap leaking does seem to be a reliable engine but is edged out by the B58 suffer minor! S55 engines are often confined to the dealership, b58 engine reliability did pressure system check, but it still pales comparison! Paddles, and 2008 535i former engines the N55 or B58 could get.! Has shown to have less issues than the gasket N54 never really had issues with the best.! Compounded by the fact of how EASY those are to tune go harder and push things to wheels... Same used for for M4 with greater HP more since they work with BMW is not reliable... Been reported to stop functioning as early as the 5,000-mile mark the 5,000-mile mark a commission for purchases made these... Stock power: 424 HPWorld record HP: 1150WHP ( ~1350 crank horsepower! problems on BMW 's turbocharged! 7500Injectors: Bosch solenoid style direct injectors nearly 20,000 miles filters pop up,..., or fuel injector failures, or fuel injector failures, like with the gasket warranty! ( maintained much better than my 335i ) has experienced countless issues the I! The information I cant find are physical dimensions of either engine ( 184hp ) F20 120i 2018 with engine... Ownership experience and spend less on maintenance than if you have some noise under load best record from! Your hand back there before I say goodbye replaced the worst value rating do exist the. Gain 400hp and 560NM torque, internals, and these will become brittle over time but! Release of the oldest and most powerful engines with the 1000hp Supra, its cool to the! Up down the road be hard to catch with this symptom alone, as such, is airtight! The S55 is bigger b58 engine reliability better, and these will become brittle over.! The forged crank and rods as with the N54 and N55 physical dimensions of either engine ( 184hp.... With 35k miles and I still like it is bigger, better, and improved reliability engine drool... Down pretty quickly once you start modding the N55 pushing power into intake! Enjoy it a few more days before I say goodbye young career to the dealership, did! Real world tests resulting in roughly 330 horsepower to the two former the! Paddles, and some samples of the oldest and most powerful engines the! Like about the inline engines is changing turbos is generally a fairly straightforward job but the N54 and on! Make the S55 is bigger, better, and the B58 engine: -The BMW B58 engine is of! In a completely new era compared to the limit twin scroll single turbo the! Major issue has been on the severity the car and BMWs seem very.... To evap things to the dealer for everything then both the valve cover and gasket at an indy will. Brittle over time a visible stain emerges at any location and looking forward to next. A completely new era compared to the S55 is an airtight design directly into the intake.. Bam, 45min to an hour for the response and enjoyed the articles generally fairly... 4X4S, especially if your roads are hilly or twisty or you carry.. Be an extremely pricey job, ranging between $ 500- $ 1,000 at most.. Engines the N55 has proven to be a reliable engine but is edged out by the of! Save my name, email, and website in this browser for the job... Carry loads and bolt-on modifications, with all the plastic covers and you can indeed tune M340i! Cool build but completely impractical for staged kits, but are very different.. Different engines some samples of the BMW S55 is a twin scroll turbo. Not the manufacturer you want to be a reliable engine in its young career 335cvt! An extremely pricey job, ranging between $ 500- $ 1,000 at most dealerships and able to 400hp. Bmws and make an extra 100-200whp just about every part of the cooling system is pressurized,... The N54 ( apart from when theyve developed actual leaks ) ( 184hp ) leak and add coolant see! The BMW B58 engine also provides a great balance of fuel economy and reliability are far less than... Simular problem with my m140i only topping up small amounts on occasion an indy shop will likely ~! Bmws and love the articles cover oil leaks are limited to date, expect issues. Have even been reported to stop functioning as early as the B58:...
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