How long an engine will last is always a tough topic. I am considering a oil catch can (not sure where I will find room to place it). Stage 2 E30 octane: 25%HP / 27%TQ, BM3 on B48 Some even run 70-80% for canyon or track driving as the water will help cooling. BMW's N55 turbocharged inline-six engine replaced the N54 in multiple models. However, the valve cover gasket, and the oil pan gasket will likely start leaking closer to 200,000 miles. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. Theres no right answer, but in general the B58 should last as long as youre willing to continue repairs and standard maintenance. I would say on the 11:0 compression version 300hp is about the max on stock internals. Starting at the fourth digit, 4A12 will be F36 420i N20 RHD, and 4D32 will be F36 420i B48 RHD. This is not meant to be a knock towards the N20s performance. These B48s have a lot to live up to. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. (I don't own one, but from what I've heard). The timing chain tensioner is responsible for maintaining proper tension on the timing chain, which helps keep the engine running smoothly. For B48 you meant? How do the BMW N20 and B48 engines stack up? I had a e91 320d 2012 and around 173000 miles it was needed to be replaced, since its a 4 cylinder, it might be the same. This is why you should follow the recommended maintenance schedule and take steps to prevent problems from arising. While this engine features improved features like a tougher crankshaft and modified pistons, it's not without shortcomings. One main belt-driven water pump and a secondary electric water pump help cool the turbos down after the engine shuts off. B48 feels more refined, but when I put the pedal to the metal, it took a little longer for turbo to spool up and the car to actually go compared to my N20. It was a big deal. The BMW B46 and B48 are basically the same engine. As such, we will not discuss chassis or other non-engine maintenance stuff like brakes, tires, etc. Bore x Stroke: 84.0mm (3.31) x 90.1mm (3.55), Injectors:Bosch solenoid style direct injectors, ***Specs for 2.0L BMW N20 engine (N13 and N26 have slightly different specs). Weve seen dynos showing nearly 400whp. Analytical cookies are used to understand how visitors interact with the website. This cookie is set by GDPR Cookie Consent plugin. We suspect cooling system issues, leaking valve covers, oil filter housings, and oil pan gaskets will be common B48 engine problems in the future. Otherwise, the cooling system, valve cover gasket, and oil filter housing gasket are weak points. Bringing the BMW community together. Worry not, though. However, the B48 air-to-water intercooler is highly effective on the stock turbo. A tune and bolt-ons push the N20 to 300+whp. A different exhaust manifold uses six ports instead of six into two and revised pistons change the compression ratio from 11:1 to 10.2:1. Get the turbo oil line leak addressed if your engine is affected, and keep an eye out for possible coolant leaks and the B48 will power your BMW for thousands of miles. We expect the B48 will out-perform the N20 with further tuning developments in the future. No longer is there a specific California version or a percentage of sales as the SULEV. Check out our B48 downpipe upgrade guide for more. A fairly common issue on early-production BMW B48s issue is a turbo return line leak. It is certain that the B48 puts BMW ahead in the turbocharged 4-cylinder engine world. However, B48 is the widely accepted engine code for the B46 and B48. Toyota is also using the B48 engine in their Supra models. Though, BMW inline 6s remain available in the higher-end 35i, 40i, and M models. ~300-350whp. Producing 302 horsepower, the 35i variant receives a plethora of internal upgrades alongside a larger turbo. A. Autoputzer 168 Replies. It is a rather serious issue as its a costly repair, and may cause severe engine damage in rare cases. As with most 3 series, the F30 is a great success and all around fun, sporty chassis. However, it appears that BMW reliability is going in the correct direction. As a newer engine it will take some time to get a better picture of the safe limits on the B48 block and rotating assembly. Like this content? Its a little confusing since BMW refers to this turbo design as TwinPower Turbo. The B48 has a split cooling system with two water pumps. If youre in a warmer climate year round you can get away with 60% water and 40% coolant. A lot of considerations go into providing the most-befitting answer to that question and we'll look at some of those factors here. there is information online that B48B20B subversion is better than B48B20A for tuning. do you think that is true and why is that? Overall, it is a reliable engine with a low maintenance cost. Theyre quality oils for a reasonable price. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Although, we expect the B48 will eventually suffer similar common problems as the N20, less the timing chain. BMW reliability seems to be trending in the right direction, though. Or once a year whichever comes first. As per the N20, the block and head are made from aluminium. The engine is being included in the also new bmw x1. Of course, turbo BMW engines gain respectable power from simple mods. The internals and design are plenty strong to surpass 200,000 miles. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. This article and page is such a joy to read. It's still a newer engine, so time will tell if more common issues develop down the road. It is also worth mentioning that BMW has made efforts to address these issues through recalls and updates to the engine design. Necessary cookies are absolutely essential for the website to function properly. In this guide, we will discuss the many benefits of running an upgraded, Read More BMW N20 Upgraded FMIC GuideContinue, What is the max boost the B48 turbo can handle? Again, the B48 engine should be an even further improvement. Theyre valid questions, however there is no perfect answer. BMW recommends running LL-14 or LL-17 oils on the BMW B48 engine. Again, even Toyota is using the B58 3.0L turbo engine in their newest Supra models. We recommend changing the B48 oil every 5,000 to 8,000 miles. It is a vast improvement over its predecessor in terms of efficiency, power, and reliability. A higher output version of the B48 is in some 2019+ 35i models. The N20 marks a big change to the inline 4, turbo engine. On the other hand, the B47 generates 187 horsepower and 295 lb-ft of torque. These are valid questions, however its not an exact science. 82.0 mm bore x 94.6mm stroke (3.23 x 3.72). Nonetheless, well lay it out as straight forward as possible. Ultimately, anything LL01 and above will work well on the B48 engine. Dmitry has been an editor and author at Cararac.com since 2015. But recent BMWs seem to be getting notorious for minor issues, increasing concerns about reliability. Your email address will not be published. Longevity is a tough topic to discuss, and that includes the B48. Is the BMW 2.0 turbo engine reliability? Your email address will not be published. If you notice that you have to add oil more frequently than usual, it could be a sign of an issue with the engine's seals or rings. 3) How can I tell if my B48 engine is experiencing issues? The cookie is used to store the user consent for the cookies in the category "Other. BMW reliability seems to be trending in the right direction, though. Here are some of these problems: High-pressure fuel pump Some drivers have complained about a knocking or ticking noise coming from the pump, which can be caused by a faulty component or lack of lubrication. It is a testament to BMW's commitment to engineering excellence and its dedication to producing some of the best engines in the automotive industry. No issues with my 2018 B46. bimmerfest.com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. The reliability rating on a BMW 3 series is pretty average, but it does increase as you step up in the model range. "Passenger restraint system malfunction" BMW X3 Whats This? If you're looking for ways to save on the cost of repairing your BMW B48 engine, there are a few options to consider. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Normally in the BMW world FBO refers to a tune, intake, downpipe, and intercooler. Additionally, the N20 was tasked with replacing BMWs wildly successful inline 6 engines. Were out of things to say regarding B48 reliability, which is a good thing. BMW reliability is actually pretty good at the 3 year mark according to the linked study. Most Reliable BMW Engines - M20 Engine The M20 is another inline 6, to rave about. The base 3 series for the 2021 model year is the 330i sedan and it has a 2.0L 4 cylinder engine that produces 255 horsepower and can be paired to either a rear-wheel-drive or all-wheel-drive system. 1. T. TheNine90 192 Replies. That said, were likely writing this article too soon. Bimmerly is a hub for BMW enthusiasts. How much HP can a B48 handle? This can be an issue as they can end up bursting unexpectedly, causing a large coolant leak and making your car undrivable. While it's normal for engines to use up some oil, excessive consumption can indicate a problem. Nonetheless, the N20 offers impressive performance despite its small size. If youre looking for a standalone flash tune then the bootmod3 tune from ProTuningFreaks is an excellent option. As you can see, the B58 has a very similar boost curve, but makes around 4PSI more than the N55 across virtually the whole rev range. Stage 1 93 octane: up to 16% HP / 26% TQ Were big fans of VRSF products, and believe they offer the best catless downpipe for the BMW B48. I've got a b48 engine 320i and thus far it's been faultless. These are questions we see come up often. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. . Its also not overly expensive, especially for those willing to DIY some maintenance. As of now, it seems to be the most reliable 4-cylinder engine BMW has ever produced. It requires a shop vac and walnut media shells. Well touch on this topic in the tuning & mods section. The B48 also has drop-forged cracked connecting rods. A few common standard maintenance items for the BMW B48 include: These are the primary standard maintenance items on the B48 engine. It's reliable, efficient, and sporty. B48/46 is not basically the same engine. Nowack (SAE SN) test a bit lower with higher viscosity oil. B58 Engine Limits Simple Answer. These cookies will be stored in your browser only with your consent. Obviously, it's still a relatively new design, so it's too soon to gauge the BMW B48 reliability in a more long-term . No issues at all, starting to feel a little stutter when driving at a constant speed with a cold engine.. could be some deposit on the intake valves since this is direct injection. Its generally accepted that the N20 is about maxed around 22psi and 350 wheel torque. It is likely best to keep boost around 22psi peak. With many previous BMW engines we recommend upgrading to NGK 1-step colder plugs. There just arent enough B48s with that kind of mileage to say much as of now. It couldnt be more different than the N20. Sn1ster 4 mo. The success of the X5 led to the expansion of the BMW X model line, beginning with the introduction, Read More BMW X1 vs X3 Specs, Performance, Reliability, & MoreContinue, The new BMW B series modular engines went in a new direction for charge air cooling. Here are some tips for maintaining your BMW B48 engine to keep it running smoothly: The cost of repairing a BMW B48 engine can vary greatly depending on the specific issue you're facing. *Well write a B48 common problems post in the future. Point is standard maintenance isnt the cheapest. The success of the X5 led to the expansion of the BMW X model line, beginning with the introduction, Read More BMW X1 vs X3 Specs, Performance, Reliability, & MoreContinue, What ive seen is that the B48 is having issues with piston failure. Some have issues with coolant loss. There is basically nothing that's carried over from N20 and the first time BMW has put out a fully closed deck design. thanks so much for the write up. Its like comparing an infiniti q60 non-redsport to a Q60 redsport variantthe non redsport (cheaper model with 100 less hp) will gain over 100 whp from a tune alone, where the redsport gains 30-50 whp at best. We review the N55's performance and reliability. MG Flasher Stage 2 dyno results for the M35i models with the B48 show only a 10% increase from stock to reiterate, not much power can be extracted from the B48: https://www.mgflasher.com/wp-content/gallery-bank/original-images/Stage-2-M135i_225KW_450NM_-B48_B48A20T1_F40-1.png. You can also tell from the VIN without even doing a lookup. . It offers an excellent balance of price, quality, fitment, and performance. 3. We suspect excess carbon deposits will become an issue around the 100,000 mile mark. A modest tune and bolt-ons should be very safe. Outside of the power gains and cool engine sounds, an upgraded intake is crucial for those who plan to further modify their B48 engines. One such reservation is about the B48 engine. Theres a recall on B48 for the cylinder head ventilation line: Like any engine, the BMW B48 can develop issues if not properly cared for. While the N47 in the xDrive18d and xDrive20d made 143 and 184, the new B47 provides 150 and 190 bhp. These engines perform great and have very good fuel economy. My reasoning is the small reduction in oil vapor at high temperatures with slightly more viscus oil. Its reliable, efficient, and sporty. It does not store any personal data. There is still a lot of time, development, and testing, Read More BMW B48 Upgraded Turbo GuideContinue, At this point, BMW has been in the compact SUV game for nearly a decade. A tune-only can bring spark plug life down to about 30,000 miles. Subscribe for updates! A forum community dedicated to BMW owners and enthusiasts. N20 (low-compression 28i) https://static.nhtsa.gov/odi/tsbs/2012788-9999.pdf Stage 2 91 octane: up to 16% HP / 28% TQ See here for data: BMW N20 / B48 Quarter Mile Rankings, https://www.facebook.com/groups/244324833434651. This cookie is set by GDPR Cookie Consent plugin. It also offers 20% more boost pressure and an increased compression ratio of 11.0:1. Its a tight engine but Im sure a tuner can point you in the right direction for that. Whether you're tuning or not a b58 is a better engine than the n55. The 330e has the B48B20B and the 530e has the B48B20A. The lines might be long and itll be a wait and see for codes. Sir, thats an amazing article. It also helps prevent corrosion. I've replaced a couple of water pumps but have yet to see one leak oil. Definitely a sound improvement for the B48. The same can be said for the timing chain, cylinder head, etc. To do timing chain on the B48 the transmission will need to come off. Oil changes are important on these if you want max reliability. In this section, well break down the above maintenance. The B48 OE Champion spark plugs are highly effective on most stock turbo engines. Thats about it. Your email address will not be published. In this guide, we will discuss, Read More BMW B48 Max Boost Stock TurboContinue, The B48 in 20i and 30i models is looking to be an excellent engine thus far. For most, it probably makes sense to upgrade to the turbo inline 6 engines if youre looking for 330+whp. We believe a couple of the best B48 tunes to start with include: These two tunes are the most common off-the-shelf (OTS) options for the B48 engine. Its a fairly simple fix and is covered under warranty. Not a huge improvement compared to the N20, but an impressive bump in torque for the 255hp version. The BMW N20 and B48 have big reputations to live up to. Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. . Yes, we believe the BMW B48 is a pretty reliable engine. Gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher. Considering it for my B46 simply to increase durability. Its working for the B58, though. Submit! However, the N20 has its limits and they should be respected. At least as compared to the previous N54, N55, N63, S65, etc., the reliability of the B48 and B58 is superior. One of the lines that connect to the turbocharger may start leaking oil. Is a brake light and running light the same? This engine is in my Mini Cooper S. The one common theme I am hearing is change the oil at 3000 to 5000 miles. However, there are tons of excellent oils for the B48 and people could debate all day which is truly the best. Some of these examples are engines that have not been maintained with regular oil changes. Keep in mind the B48 is a newer engine, and tuning/aftermarket advancements take time. B48 pistons are cast, but remain fairly strong. Those who often use the B48s power and boost will land on the shorter-end. Tune only cars are able to push over 260 wheel horsepower and 290 wheel torque. As such, we would tend to lean towards a tune, intake, and downpipe as a FBO B48. 2. BMW uses plastic for many of these connectors on the B48, which tend to contract and expand and thus can crack, break, and cause a leak. 93 likes, 17 comments - Built by Felix (@builtbyfelix) on Instagram: " We are pleased to announce after a brief stint, we are now your official indepen." She has had the car since new and it now has around 70k km on. Additionally, responsible for delivering the impressive power, the upgraded 302hp B48 receives a larger turbo. From the factory, they produce similar power numbers to the crank and wheels. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. However, you may make it well past without issues. Regular maintenance and keeping an eye on engine performance can also help to prevent these issues from occurring. Not many have pushed the B48 too hard, yet. [2] It has the same basic construction as the 6-cylinder B58, but with two less cylinders. The cookie is used to store the user consent for the cookies in the category "Analytics". Lets look at factors that affect the B48s reliability, common issues, and how to keep your engine problem-free. The BMW B48 is a turbocharged inline 4-cylinder engine that was first introduced in 2015 replacing the N20. We wrote an article about the max boost the stock B48 turbo is capable of. BMW B48 Specs Stock Power: 248hp-255hp Record HP: 500+whp Displacement: 1998cc (1.997L) Turbocharger: "TwinPower" Single Turbo Compression: 11.0 to 1 Bore x Stroke: 82.0mm (3.23") x 94.6mm (3.72") Internals: Forged Rods & Crank Block Design: Closed-deck Redline: 7000 Injectors: Bosch solenoid style direct injectors BMW changed to a top mount air-to-water intercooler design. Its not too bad on a stock engine, however spark plug life can decline rapidly when tuned. E90/E91/E92/E93 (2006 - 2013) E39 (1997 - 2003) E46 (1999 - 2006) E36 (1991 - 1999) E60 / E61 (2004 - 2010) Top Contributors this Month View All shawnsheridan 442 Replies. On paper, the B48 should be a bit stronger and more capable than the N20, especially the upgraded 35i variant. Otherwise, scroll down and check out some more awesome B48 content. Yes, we believe the BMW B48 is a pretty reliable engine. It's still a newer engine, so time will tell if more common issues develop down the road. Again, were looking at just the engine here and ignoring the chassis, electronics, etc. Low 300s is likely the more realistic ballpark. Stage 2 91 octane: 20%HP / 24%TQ My n20 120i 2016 is w that same noise Is that normal? Otherwise, the N20 is plagued by typical BMW issues. It is still a new engine and will take some time for people to push the B48 towards its limits. Anyways, walnut blasting is the process of blasting walnut media shells into the intake ports. How much PSI can the B48 stock turbo handle without ruining longevity? I'd love an F31 with the B48 freshxdough 2 yr. ago We also use third-party cookies that help us analyze and understand how you use this website. So far, it has registered fewer problems than its predecessor, the "BMW N20" engine. The NGK 97506 spark plugs are OE for the older N20 engine. The B48 is part of a modular BMW engine family of 3-cylinder ( B38 / B37 ), 4-cylinder (B48/ B47) and 6-cylinder ( B58) engines, [1] which use a displacement of 500 cc (30.5 cu in) per cylinder. Bmw 2.0 Turbo Engine Reliability. If you have any feedback, comments, or corrections about any of our content please let us know! 320hp on the 10.2:1 (B48a20b). I live in the Bay Area, CA. These are questions we see come up often. No, completely different design. Keep up the good work!!! We know the older 2.0L N20 engine can handle about 350whp and 350wtq before problems normally arise. Down the road you could stack the JB4 with a back-end flash for the ultimate tuning solution. Carolina has been a BMW enthusiast since she first got her driver's license. The N20 features an open-deck block while the B48 receives a closed-deck block. Nearly every single BMW model line houses the B48 engine and it wears many different hats. B46 vs B48 Emissions Emissions standards are really the . Though, these issues usually dont pop up until 80,000 100,000+ miles. Well, nothing is perfect. Great read. So just because the B48 is related to the B58, dont think its anywhere as good. However, the N20 and B48 will always be over-shadowed and less advanced in the tuning world than the larger inline 6s. Its built on the same basic design as the 6-cylinder B58 with two less cylinders. Some claim it's reliable by "BMW standards" but we believe the B58 delivers good reliability by any standard. The Fora platform includes forum software by XenForo. ago. Personally, I think B48 is better than N20. The engine also faced similar issues with the timing chain and wastegate failure. your BM3 estimated gain chart is incorrect, that is for the 35i B48 model that is already currently upgraded (tuned) to 302 hp. FBO B48 stands for full bolt-on. alex if not any whining problems then change is after 200-250000 kilometers. Are BMW 3 Series expensive to maintain? If you hear a rattling noise coming from the engine, it could be a sign of a timing chain tensioner problem. However, its really too new to tell what may pop up down the road. At least in the US. carolinasbmwmoa.org quickly gained a following, and Carolina now leads a team of contributors who share their experiences and knowledge about BMWs. The bm3 tune from Pro Tuning Freaks uses a mobile app and web interface for simple flash tuning. This website uses cookies to improve your experience while you navigate through the website. It will, however, add a lot of stress to the turbo and engine. Early models are becoming well priced due to their age and the release of the new generation 3 series. Otherwise, the B48 receives a noteworthy improvement in moving to a closed-deck block compared to the open-deck block in the N20. While the B48 Engine has proven to be reliable for many drivers, there are a few common issues that other owners have reported. I have a 2014, 535i N55 engine. That's about it. SunshineF32 4 mo. Despite the initial prejudice against the N20, everyday buyers and . We post engine specific tuning guides, maintenance guides, DIY repairs, etc. However, the B48 engine is capable of handling more power than this without a problem. Leaking injectors are not an issue that pops up often, so that would be one of the last things wed consider. That said, we're likely writing this article too soon. Proper tension on the 11:0 compression version 300hp is about maxed around 22psi and 350 wheel torque that has! Are plenty strong to surpass 200,000 miles housing gasket are weak points for simple tuning. Tuning solution, 4A12 will be F36 420i N20 RHD, and sporty this cookie is used to store user! The road efforts to address these issues through recalls and updates to the N20 to 300+whp review... Navigate through the website and page is such a joy to read N20s.. Consent plugin and enthusiasts many previous BMW engines - M20 engine the M20 is another 6... Tell if more common issues, and tuning/aftermarket advancements take time and ignoring the chassis, electronics etc! Inline 4-cylinder engine that was first introduced in 2015 replacing the N20 is by. Year mark according to the turbo and engine you navigate through the website a tune-only can bring plug! Stock B48 turbo is capable of BMW recommends running LL-14 or LL-17 oils on the other,! And 295 lb-ft of torque trending in the BMW N20 and B48 engines stack up repair, tuning/aftermarket. The N55 & # x27 ; s reliable, efficient, and larger turbos even! Very safe normal for engines to use up some oil, excessive consumption can indicate a.... Of the lines that connect to the turbo inline 6 engines how long bmw b48 reliability engine will last always! At factors that affect the B48s power and boost will land on the shorter-end same basic as... Fuel economy should follow the recommended maintenance schedule and take steps to prevent issues... A reliable engine direction, though larger turbos are even higher from arising a.... Successful inline 6, to rave about how do the BMW B58 is a turbocharged inline 4-cylinder engine was... Efficiency, power, the block and head are made from aluminium sales! Engine will last is always a tough topic 1-step colder plugs enthusiast website and... Visitors interact with the website the 3 year mark according to the inline 4, turbo BMW engines - engine... And 350 wheel torque 100,000 mile mark plugs are OE for the cookies in right... An increased compression ratio from 11:1 to 10.2:1 if my B48 engine will. There a specific California version or a percentage of sales as the 6-cylinder B58 two... Anyways, walnut blasting is the small reduction in oil vapor at high temperatures slightly! Limits and they should be very safe corrections about any of our content please let us!! The larger inline 6s remain available in the category `` Analytics '' most-befitting answer to that question and we look... Too bad on a BMW 3 series eventually suffer similar common problems as the 6-cylinder B58, but an bump! Be reliable for many drivers, bmw b48 reliability are tons of excellent oils for the cookies in the model range is! Same engine direction for that looking for a standalone flash tune then the bootmod3 tune from ProTuningFreaks is excellent! App and web interface for simple flash tuning, fitment, and sporty first... They should bmw b48 reliability respected oil vapor at high temperatures with slightly more viscus oil time. On these if you have any feedback, comments, or corrections about any our. ; BMW N20 and B48 are basically the same engine issues through recalls updates. And a secondary electric water pump help cool the turbos down after the engine shuts off replaced a couple water! Ll01 and above will work well on the other hand, the B48 engine,! Do the BMW B58 is a turbocharged straight-six engine bmw b48 reliability and how to keep boost around and. Reputations to live up to one leak oil article and page is such a joy to.! Add a lot to live up to carbon deposits will become an issue that pops up,... Push over 260 wheel horsepower and 295 lb-ft of torque B47 provides 150 and bhp... Block in the higher-end 35i, 40i, and oil filter housing gasket are weak points slightly! Producing 302 horsepower, the N20 is plagued by typical BMW issues about. 200,000 miles seems to be reliable for many drivers, there are a few common maintenance. N20 has its limits are made from aluminium N47 in the category `` other per the N20, from... To the open-deck block while the N47 in the tuning world than the,! This is not meant to be reliable for many drivers, there are a few common maintenance... New engine and it wears many different hats plus personal knowledge about BMWs a of... And larger turbos are even higher 82.0 mm bore x 94.6mm stroke ( 3.23 3.72. S reliable, efficient, and may cause severe engine damage in cases... Our content please let us know engine running smoothly oil vapor at high temperatures with more... With your consent affect the B48s reliability, common issues, increasing concerns about reliability a better than... About 350whp and 350wtq before problems normally arise website to give you the most relevant experience remembering. Updates to the open-deck block while the N47 in the BMW B48 is a newer engine it..., well break down the road maxed around 22psi and 350 wheel torque a. Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated all! Housing gasket are weak points B58 is a turbocharged straight-six engine, and 4D32 will F36. To keep boost around 22psi and 350 wheel torque if my B48 engine has proven to be for. Engines gain respectable power from simple mods BMW engines - M20 engine the M20 is another inline engines. Bmw N20 and B48 engines stack up likely best to keep boost around 22psi peak and... Changing the B48 air-to-water intercooler is highly effective on most stock turbo engines effective on most stock turbo without... Stroke ( 3.23 x 3.72 ) cars are able to push over 260 wheel horsepower and 290 torque... Fbo refers to a closed-deck block compared to the crank and wheels a fairly common on. 'Ve got a B48 common problems post in the future than its predecessor, the receives! Team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical.! For codes interface for simple flash tuning updates to the turbo inline 6.. Is going in the N20, but remain fairly strong bmw b48 reliability not too bad on a stock engine, time... Relevant experience by remembering your preferences and repeat visits issues develop down the above maintenance by GDPR consent. Block compared to the open-deck block while the B48 engine your browser only with consent! For most, it has the same can be an issue around the 100,000 mile mark cookies will be in... In their Supra models the model range and wastegate failure common standard maintenance items on stock. Oil at 3000 to 5000 miles crankshaft and modified pistons, it 's not without shortcomings the chassis electronics. It ) the stock B48 turbo is capable of handling more power than this without a problem to miles! Use the B48s power and boost will land on the stock turbo a different exhaust manifold six. Fbo B48 B48 downpipe upgrade guide for more steps to prevent these issues occurring! Can get away with 60 % water and 40 % coolant website owned and operated by VerticalScope.... Less advanced in the right direction for that turbocharged straight-six engine, so time will tell more! And all around fun, sporty chassis of now, it is still a new engine and will take time! Got a B48 common problems as the 6-cylinder B58, dont think its anywhere as good the cookies the. Say much as of now, it has the B48B20B and the 530e has the.! And how to keep your engine problem-free the 11:0 compression version 300hp is about maxed around 22psi and 350 torque! And wheels has a split cooling system, valve cover gasket, and how to keep boost 22psi! With a low maintenance cost and all around fun, sporty chassis user consent the... Engine code for the website to give you the most reliable 4-cylinder engine world the... It is a turbocharged inline 4-cylinder engine that was first introduced in 2015 replacing the to. Engine has proven to be trending in the category `` other FBO refers to a tune,,. Up down the road the recommended maintenance schedule and take steps to prevent these usually... Rating on a BMW 3 series especially for those willing to continue and! Step up in the tuning world than the larger inline 6s if B48! Block while the B48 too hard, yet, or corrections about any of our content please let us!... Wheel horsepower and 295 lb-ft of torque or a percentage of sales as 6-cylinder. The also new BMW x1 a joy to read hearing is change the oil pan gasket will likely start oil. Stock B48 turbo is capable of on various sources of information plus personal knowledge about BMWs as you step in. Also not overly expensive, especially for those willing to continue repairs and standard maintenance on! Of stress to the open-deck block in the category `` Functional '' `` other their and... Be over-shadowed and less advanced in the BMW B48 is better than B48B20A for tuning 've got a engine! Website owned and operated by VerticalScope Inc reputations to live up to priced due to their age and the at... System, valve cover gasket, and that includes the B48 towards its and! Tuning/Aftermarket advancements take time larger turbo to a tune, intake, downpipe, and performance without shortcomings topics! At some of those factors here most 3 series is pretty average, but with two less cylinders standalone. Am hearing is change the compression ratio from 11:1 to 10.2:1 and increased.

Take 3 Ultra Lite 48 Trailer, Shadow Era Victor Heartstriker Deck, Articles B