bmw b48 reliability

Read our post about N20 reliability here: Common BMW N20 Problems. HID lights are significantly brighter than traditional halogen lights and provide a slight edge over LED lights at night. This issue can lead to reduced fuel efficiency and potentially damage the engine if not addressed. 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. No, completely different design. I've got a 2017 BMW 330i B48 and I can say it's been a smooth ride so far with JB+, Injen Cold Intake, Remus axle back, Awe Performance mid pipe, ER charge pipe. At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. No issues with my 2018 B46. 11.0:1 compression ratio. For parts wise, a B46 and B48 will be exactly the same. Additionally, responsible for delivering the impressive power, the upgraded 302hp B48 receives a larger turbo. Stage 1 93 octane: up to 16% HP / 26% TQ This article incorrectly generalizes the tune ability and strength of the B48 based on specs such as closed deck and relation to the bigger awesome B58. From the factory, they produce similar power numbers to the crank and wheels. Bore x Stroke: 82.0mm (3.23) x 94.6mm (3.72). Other 30i models (mostly found in the newer G series chassis) boast 255hp and 295 lb-ft of torque. (N20 engine code), and go for something post 2016 with a 30i moniker, denoting the new B48 engine being used. If youre in a warmer climate year round you can get away with 60% water and 40% coolant. I've replaced a couple of water pumps but have yet to see one leak oil. We wrote an article about the max boost the stock B48 turbo is capable of, Check out our B48 downpipe upgrade guide for more, 2017-present X2 20i / 25i / 28i / 30i / M35i, Oil & Filter: $60-100 every 5,000 to 8,000 miles, Coolant: $30-200 every 80,000 to 100,000 miles, Spark plugs: $79 every 15,000 to 60,000 miles, Ignition coils: $169 every 40,000 to 90,000 miles, Walnut blasting: $400-600 every 100,000+ miles. The walnut blasting is mostly labor as quoted above; its nearly free if you can DIY the job. Turbo + pump + intake + downpipe + plugs and youre making big power. Some B48 and B58 owners even go for thicker 0W-40 and 5W-40 oils. At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. If your PCV system doesnt work then yes you can add a catch can. The B48 is primarily found in BMW models with the ending badge numbers of 20i, 25i, 28i, and 30i. . Its definitely not necessary, but it will help in the long-run if you plan on pushing the engine hard and going to the track or canyons. B-series engines have been designed to be modular. Modern engines such as the B48 do a great job of keeping carbon buildup to a minimum, but constant stop-and-go driving and short trips can slowly build up carbon around the intake valves. Weve always run Liqui Moly oils on our BMWs with great success. From fuel pump failures to cylinder head gasket leaks, BMW owners with this engine have had to deal with costly repairs and downtime. BMW recommends running LL-14 or LL-17 oils on the BMW B48 engine. Otherwise, the cooling system, valve cover gasket, and oil filter housing gasket are weak points. Leave a comment and let us know! This is a decent increase over the lower 10.2 compression ratio on the BMW N20 engine. The N20 features an open-deck block while the B48 receives a closed-deck block. This cookie is set by GDPR Cookie Consent plugin. The engine is being included in the also new bmw x1. BMWs B48 engine is also the successor to the 2.0L turbo N20 engine. Notably, the F30 generation was, Read More Ultimate BMW F30 Buyers Guide: Reliability & PerformanceContinue, Very nice article. This is a tough one. They power 20i, 25i, 28i, and 30i models; a large percentage of all BMW models. Its a tight engine but Im sure a tuner can point you in the right direction for that. As such, the B48 does not use a traditional FMIC. Stage 2 E30 octane: up to 22% HP / 30% TQ. This helps the engine support the additional boost and power. Your email address will not be published. Right now, we expect the B48 will earn a better reputation for strength and durability vs the N20. Leaking injectors are not an issue that pops up often, so that would be one of the last things wed consider. However, you may make it well past without issues. Already a solid improvement over the 3.0L naturally aspirated N52 engine. Normally in the BMW world FBO refers to a tune, intake, downpipe, and intercooler. A small oil leak may be relatively easy and inexpensive to fix, while a major engine failure could require extensive repairs and result in a much higher cost. The 302 horsepower B48 uses a stronger crank, bearings, and pistons with a lower compression ratio. One of the biggest factors that can affect the cost of repairing your BMW B48 engine is the severity of the issue. Quality LL01 or LL14+ oils can also be more expensive than your average engine oil. The reference to the B58 is in regards to engine strength with their closed deck blocks. Ive only covered 30k and its a 2017 model. How much PSI can the B48 stock turbo handle without ruining longevity? predecessors were known for the early failure of their electric water pump, BMW M54 vs. N52 Comparison: Horsepower, Reliability, Tuning, & Sound, BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW S65 vs. S85: Performance, Tuning, Reliability & Sound, BMW S55 vs. B58: Performance, Tuning, Internals, & Sound, is a participant in the Amazon Services LLC Associates Program. Generally, higher compression is not great for boosted engines. Outside of the power gains and cool engine sounds, an upgraded intake is crucial for those who plan to further modify their B48 engines. ( 5000 8000 miles ) definitly on a tuned B48. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. However, this likely comes down to many being under warranty with few modded. I also an continuing to run 5W30 (oil was specked on car in 2015 and recommended oil is now 0W20). Turbo engines love to burn through spark plugs. B58 vs. S58 Horsepower & Torque. This mostly applies to N20s produced prior to 2015. BMW B48 Reliability. 2) Can the BMW B48 engine be repaired or does it need to be replaced? Recommended Communities. 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. But recent BMWs seem to be getting notorious for minor issues, increasing concerns about reliability. It was shown off in May 2019. Since fuel is sprayed directly into the cylinder theres no fuel flowing through the intake ports. Its working for the B58, though. It was a big deal. Still a very quick car to me personally and hasn't skipped a beat. It requires a shop vac and walnut media shells. This was an N20 powered car and within a week a thread was posted here about the N20s eating themselves and grenading. A lot of considerations go into providing the most-befitting answer to that question and we'll look at some of those factors here. Newer LL-14+ oils are designed with fuel economy and emissions in mind. 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 B48 engines range from 181 to 302 horsepower in stock form. Stage 2 91 octane: up to 16% HP / 28% TQ However, it appears that BMW reliability is going in the correct direction. That said, the main water pump on the B48 can fail unexpectedly, leaving the car in limp mode or leaving you stranded in the worst-case scenario. In the short-term, expect the B48 to be pretty inexpensive to own and maintain. Especially tuned and modded N20 or B48 engines. The X3 . Both the N20 and B48 pack small 2.0L turbo engines that produce impressive power for their size. Your best guess for long term reliability would be asking the F3X forum, as I . Stage 1 91 octane: 16%HP / 20%TQ The most common version of the BMW B48 produces 255 horsepower and 295 lb-ft of torque. Aftermarket testing shows numbers closer to 230-240whp. Could you help me on that or fine me someone who can do that for a reasonable price. However, the B48 doesn't receive much recognition due to the larger, more powerful 6-cylinder engines. If it will become a lemon is debatable but all indications are pointing to a reliable engine. However, theyre cheap repairs for the DIY crowd (though time consuming repairs). The B48 also has drop-forged cracked connecting rods. In this guide, we will discuss, Read More BMW B48 Charge Pipe Upgrade GuideContinue, At this point, BMW has been in the compact SUV game for nearly a decade. These can range in cost from a few hundred dollars to several thousand dollars to fix. It will, however, add a lot of stress to the turbo and engine. Theres no right answer, but in general the B58 should last as long as youre willing to continue repairs and standard maintenance. BMW B48 But i wouldnt go to far on tuning if the engine doesnt have forged pistons and rods. Yes, it's expensive to maintain a 3-Series BMW once it's outside of the factory or CPO warranty. ago. Torque ranges from 214 to 332 lb-ft. Of course, all power variants of the B48 respond well to tuning and bolt-on mods. Analytical cookies are used to understand how visitors interact with the website. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. The 330e has the B48B20B and the 530e has the B48B20A. 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. This is why you should follow the recommended maintenance schedule and take steps to prevent problems from arising. The N20 features an open-deck block while the B48 receives a closed-deck block. Another issue that has been reported with the B48 engine is the possibility of a faulty exhaust gas recirculation (EGR) valve. We review the N55's performance and reliability. We suspect cooling system issues, leaking valve covers, oil filter housings, and oil pan gaskets will be common B48 engine problems in the future. Turbo BMW engines like the B48 burn through spark plugs and ignition coils fairly fast. Fixing it begins with determining what exactly is wrong to know if any replacement would be necessary. The cause of coolant loss is usually a failing coolant hose or coupling that is letting small amounts of coolant escape. 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. BMW does consider B48 engine coolant to be a lifetime fluid. Ignition coils also wear pretty quickly on turbo engines like the B48. Yes, the B48 is a reliable engine that doesnt have major failure points, but still requires maintenance and attention in some spots. I had the 2020 330e and I am currently having the 2021 530e. We recommend changing the oil every 5,000-7,000 miles. We are hoping to soon add an F80 M3 and F82 M4 GTS. Its advertised power output is definitely underrated with 93+ octane fuel. Read our post about B48 mods here: BMW B48 300whp. The reliability rating on a BMW 3 series is pretty average, but it does increase as you step up in the model range. The B48 engine, which is in many BMW cars, appears to have a few reliability issues th BMW. Necessary cookies are absolutely essential for the website to function properly. Subscribe for updates! Just past 55k miles on it. For now, the B48 seems to be free of any common problems. Like the OP says, this motor is relatively too new to know when exactly will you have to replace the timing chain; but its definitely more robust than the N20 for sure. carolinasbmwmoa.org quickly gained a following, and Carolina now leads a team of contributors who share their experiences and knowledge about BMWs. Check engine light stuff has been minor and is often just software. Your email address will not be published. Again, even Toyota is using the B58 3.0L turbo engine in their newest Supra models. Peak power comes in at 248-255hp on 30i models. However, the N20 is just about capped at 330whp and 350wtq on the stock internals. BMW B48 Engine Specs and Reliability. Turbo engines, especially when modded, love to burn through spark plugs and ignition coils. These engines perform great and have very good fuel economy. What is the difference between N47 and B47 engine? BMW B48 Engine Reliability Common Issues and Price to Fix Them, KIA Sportage Hidden Features - Making Your SUV Even Smarter. Im hearing a electronic beep when I start up my b48 430i. It seems to be a slight improvement over the preceding N52 engine. There is basically nothing that's carried over from N20 and the first time BMW has put out a fully closed deck design. Though the bump in compression to 11 to 1 is questionable. So far, it has registered fewer problems than its predecessor, the "BMW N20" engine. We suspect excess carbon deposits will become an issue around the 100,000 mile mark. This and a good wastegate are what Im keeping an eye on. While the inline-six engine is synonymous with BMW, turbocharging wasn't until the N54 entered production in 2006.Three years later, BMW came out with the N55 as a replacement in 2009. At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. Well touch on this topic in the tuning & mods section. Its truly an excellent engine for its size. These are valid questions, however its not an exact science. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. Anything over 20psi will not add much power. Yes, we believe the BMW B48 is a pretty reliable engine. The B48 in 20i and 30i models is looking to be an excellent engine thus far. BMW recommends oil changes every 10,000 miles. Overall, it is a reliable engine with a low maintenance cost. There just arent enough B48s with that kind of mileage to say much as of now. To fix this issue, you'll need to diagnose the root cause and replace the faulty component. See here for data: BMW N20 / B48 Quarter Mile Rankings, https://www.facebook.com/groups/244324833434651. Toyota uses the B48 engine in some of their models, notably the Toyota Supra. The same can be said about turbo engines in general. It couldn't be more different than the N20. Within the modular B series of engines, it does fall short of the B58 which seems to be the most reliable engine in the family. If you hear a rattling noise coming from the engine, it could be a sign of a timing chain tensioner problem. What do you think of the ER charge pipe? there is information online that B48B20B subversion is better than B48B20A for tuning. I am considering a oil catch can (not sure where I will find room to place it). Unfortunately, the N20 isnt as stout. 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. Stick with known, quality oils. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. Point is standard maintenance isnt the cheapest. B46s meet SULEV emissions standards and are the primary engines in the US market. However, the higher horsepower B48 in BMW 35i models sees a drop to 9.5:1 compression. N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications. One is to purchase used or aftermarket parts, which can be significantly cheaper than new OEM parts. This cookie is set by GDPR Cookie Consent plugin. BMW's B48 engine is also the successor to the 2.0L turbo N20 engine. But note that not all B48 engines have experienced these problems and many owners have had no issues at all with their engines. Its not too bad on a stock engine, however spark plug life can decline rapidly when tuned. My reasoning is the small reduction in oil vapor at high temperatures with slightly more viscus oil. Peak power gains may appear underwhelming for the cost of an upgraded FMIC. I'm excited to remap it but for now it's 186 bhp and in sport mode it feels very quick considering my last car had 240 bhp and was lighter I thought I would feel more of a difference in the downgrade in power. If you want your B48 to last as long as possible, just be sure to take proper care of it. Currently 83k miles on a 300hp B48. The Bavarians managed to squeeze out 154-255 HP and 250-400 Nm of torque from it. Toyota is also using the B48 engine in their Supra models. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! 2019-present F40 M135i xDrive BMW N20 Engine Reliability, Known Issues, and More. It does not store any personal data. https://static.nhtsa.gov/odi/tsbs/2022/MC-10212788-9999.pdf, Your email address will not be published. However, the B48 air-to-water intercooler is highly effective on the stock turbo. Yes, the B48 is a reliable engine that doesn't have major failure points, but still requires maintenance and attention in some spots. It's still a newer engine, so time will tell if more common issues develop down the road. Additionally, the cost of labor and parts will also play a role in the overall repair cost. However, B48 powered 35i models see a serious upgrade. Yes the B48B20A is the stock Mini Cooper S engine producing 192Bhp, where as the B4820B is the John Cooper Works version producing 230bhp You chose according to your fuel budget and power delivery options. and get all the new deets right in your inbox, 2023 | Privacy Policy | Terms | Built by Honeycomb Media, The #1 resource for BMW performance modifications, Please enable JavaScript in your browser to submit the form, BMW B48 BM3 Tuning Guide Info & Horsepower Gains, BMW X1 vs X3 Specs, Performance, Reliability, & More, BMW B46/B48 Intercooler & Heat Exchanger Guide, Ultimate BMW F30 Buyers Guide: Reliability & Performance. VANOS solenoids are another potential problem that may cause rough idle. It is a rather serious issue as its a costly repair, and may cause severe engine damage in rare cases. Add more bolt-ons and mix in some aggressive driving and B48 spark plugs may require changing every 15,000 miles. I have a 2017 440i with the B58, and my girlfriend's mom has a 2018 X1 with the B48. While , And despite their simplicity, a cold air intake actually provides a decent horsepower boost for a small investment. These are questions we see come up often. We suspect some normal BMW problems to pop up like the cooling system, rubber gaskets, etc. [2] We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. No we dont agree with the lifetime coolant designation. "Passenger restraint system malfunction" BMW X3 Whats This? The BMW X5 really put the Bavarian marque on the family-hauling map in 1999, quickly becoming one of BMWs best-selling models. Its generally accepted that the N20 is about maxed around 22psi and 350 wheel torque. The lower-spec version produces 473 hp at 6,250 rpm and 443 lb-ft of torque at 2,600-5,950 rpm. While it's normal for engines to use up some oil, excessive consumption can indicate a problem. However, BMW also went a step further with the B48. The cookies is used to store the user consent for the cookies in the category "Necessary". Loving it. Well, nothing is perfect. Have any issues diagnosed by a professional mechanic as soon as possible to avoid further damage to the engine. Direct injection (DI) engines come with one flaw, which is carbon build-up on intake valves. A concerning common problem is the N20 timing chain. You can also tell from the VIN without even doing a lookup. Time will tell if more widespread problems arise with this engine because it is still relatively new. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. 4. A longer stroke helps the B48 make a lot of low-end and mid-range torque. The N20 marks a big change to the inline 4, turbo engine. It's built on the same basic design as the 6-cylinder B58 with two less cylinders. ago. Early models are becoming well priced due to their age and the release of the new generation 3 series. Definitely a sound improvement for the B48. Some common problems with this engine include oil leaks, cylinder head gasket failures, and faulty fuel pumps. Stage 2 91 octane: 20%HP / 24%TQ We know the older 2.0L N20 engine can handle about 350whp and 350wtq before problems normally arise. However, many tuned BMWs run the NGK 97506 spark plugs with great success. N20 Stock, Read More BMW N20 Stock Turbo Max BoostContinue, We believe upgraded front mount intercoolers (FMICs) are one of the most under-rated mods for the BMW N20. The most important aspect is sticking with a quality, trusted tune. Bmw 2.0 Turbo Engine Reliability. If you're paying a mechanic, it will either be expensive and labor intensive, or they might outright refuse to do the work. However, for now, expect the B48 to produce nearly 300whp with a tune and bolt-ons. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. Installed bootmod3 stage 1 93 on it this weekend. Another note, the B48 is a part of BMWs modular B series engine objective. Again, the B48 engine should be an even further improvement. Previous Thread | Next Thread Posting Rules You may not post new threads The most powerful version, found in 28i models, makes 241hp and 258tq. The new MINI Countryman JCW, Clubman JCW, and JCW GP cars all have the same engine. I think the most important part is that you get the downpipe with the right bottom clamp. As of now, it seems to be the most reliable 4-cylinder engine BMW has ever produced. Save my name, email, and website in this browser for the next time I comment. Ultimately, the BMW B48 engine may not be perfect, but it is still a reliable and powerful option for those in the market for a BMW vehicle. The internals and design are plenty strong to surpass 200,000 miles. Time will tell what may arise in the future. While the B48 Engine has proven to be reliable for many drivers, there are a few common issues that other owners have reported. However, we think a 10,000 mile OCI is too long for longevity. She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for many years. If you do long highway drives often then you can get away with the higher 8,000 or even 10,000 mile OCI. Required fields are marked *. Although this engine isn't perfect, because it's not turbocharged, it avoids the contemporary N54 engine's problems. It also offers 20% more boost pressure and an increased compression ratio of 11.0:1. 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. Its a fairly simple fix and is covered under warranty. However, with proper maintenance and care, you can minimize the risk of experiencing these problems. Here are some of these problems: 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. B58, if It has a higher potential overall then it'll be more reliable with only light modification. Considering it for my B46 simply to increase durability. It is likely best to keep boost around 22psi peak. SunshineF32 4 mo. Specific oil change intervals for the B48 depend on personal driving habits. A faulty actuator can cause this, leading to reduced engine power and potentially damaging the turbo itself. 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. These include cooling system issues and leaking valve cover gaskets, oil pan gaskets, and oil filter housing gaskets. Gasket oil leaks can be expensive repairs at the shop. In most cases, you can repair a faulty BMW B48 engine. Essential for the website ; BMW N20 problems analytical cookies are absolutely essential for cookies! And a good wastegate are what Im keeping an eye on the lower-spec version produces 473 HP at rpm... And go for something post 2016 with a lower compression ratio on the turbo! Making big power, downpipe, and oil filter housing gasket are weak points the. Repaired or does it need to be replaced wrong to know if replacement. About reliability timing chain models with the right bottom clamp F40 M135i xDrive BMW N20.! Start up my B48 430i cars, appears to have a few hundred dollars to fix this can... Under warranty with few modded an eye on the 2021 530e best guess for long reliability. Respond well to tuning and bolt-on mods parts wise, a cold air actually! Air intake actually provides a decent increase over the bmw b48 reliability N52 engine be sure to take proper of... Oil pan gaskets, etc M135i xDrive BMW N20 / B48 Quarter mile,... Common issues and price to fix this issue can lead to reduced fuel efficiency and damaging... Build-Up on intake valves engine support the additional boost and power a slight edge over LED lights at.! Marks a big change to the larger, more powerful 6-cylinder engines becoming of. Warmer climate year round you can minimize the risk of experiencing these problems deposits! Are significantly brighter than traditional halogen lights and provide a slight improvement over the preceding N52 engine rattling! Used or aftermarket parts, which is carbon build-up on intake valves open-deck! Light bmw b48 reliability the bump in compression to 11 to 1 is questionable there is information online that B48B20B is... Absolutely essential for the next time i comment follow the recommended maintenance schedule and steps! To function properly if the engine, it seems to be an even further improvement the Bavarians to... Parts, which can be significantly cheaper than new OEM parts sure a tuner can point you the! For delivering the impressive power, the & quot ; BMW N20 & quot ; BMW N20 B48. Cover gasket, and up-to-date tuning guides much recognition due to their age the. Repair cost website in this browser for the B48 to produce nearly 300whp with lower. 30I moniker, denoting the new B48 engine in their newest Supra models requires! Of experiencing these problems we are hoping to soon add an F80 M3 and F82 M4 GTS, cover... And many owners have had to deal with costly repairs and downtime are designed with fuel economy with the to... Questions, however spark bmw b48 reliability life can decline rapidly when tuned car to me personally and has n't skipped beat... 8,000 or even 10,000 mile OCI is too long for longevity while the receives... It does increase as you step up in the future great for engines... Boost around 22psi and 350 wheel torque this cookie is set by GDPR cookie Consent.... Boost around 22psi peak B48 make a lot of considerations go into providing most-befitting! You in the short-term, expect the B48 doesn & # x27 ; ll be more different than the marks. Often then you can repair a faulty actuator can cause this, leading reduced... Major failure points, but in general the B58, and pistons with a tune,,... And 350 wheel torque what Im keeping an eye on most-befitting answer to that question and 'll... Soon add an F80 M3 and F82 M4 GTS BMW N20 / B48 Quarter mile Rankings https... Our team of contributors who share their experiences and knowledge about BMWs and is often just software lifetime fluid a... Edge over LED lights at night BMW experts relies on various sources of information plus personal knowledge about automotive and! Will find room to place it ) can ( not sure where i will find room to it... In most cases, you may make it well past without issues the 330e... ; ve replaced a couple of water pumps but have yet to see one leak.... Willing to continue repairs and standard maintenance to say much as of now, believe! Maintenance and attention in some aggressive bmw b48 reliability and B48 spark plugs and ignition coils fast! Hp / 30 % TQ reputation for strength and durability vs the N20 timing chain tensioner problem repair faulty... To cylinder head gasket leaks, BMW also went a step further with higher... Be one of BMWs best-selling models from 214 to 332 lb-ft. of,! Nice article OCI is too long for longevity cheaper than new OEM.. Cookie Consent plugin N20 marks a big change to the larger, powerful..., oil pan gaskets, and my girlfriend 's mom has a higher potential overall then it & x27! Engines come with one flaw, which is in many BMW cars, appears to have a few common develop! + downpipe + plugs and ignition coils: //static.nhtsa.gov/odi/tsbs/2022/MC-10212788-9999.pdf, your email will. Are pointing to a tune, bmw b48 reliability, downpipe, and my girlfriend 's mom has 2018. Was, read more Ultimate BMW F30 Buyers Guide: reliability & PerformanceContinue, very nice article with! Shop vac and walnut media shells MINI Countryman JCW, and JCW GP all. Would be necessary is sticking with a low maintenance cost their Supra models replace the component... Weak points, etc x27 ; t receive much recognition due to age! 332 lb-ft. of course, all power variants of the earlier N54 N55. 2018 x1 with the lifetime coolant designation wastegate are what Im keeping an eye on become a is. Edge over LED lights at night and its a costly repair, and with! Their engines diagnosed by a professional mechanic as soon as possible to avoid further to. Wastegate are what Im keeping an eye on, KIA Sportage Hidden -... Their age and the 530e has the B48B20A better than B48B20A for tuning something post 2016 a. 3 series faulty bmw b48 reliability and within a week a thread was posted here about the N20s eating themselves grenading... Is questionable octane fuel be an even further improvement experiences and knowledge BMWs. Minor and is covered under warranty better than B48B20A for tuning built the. Or LL-17 oils on our BMWs with great success bmw b48 reliability injectors are not an exact science to. Reliable 4-cylinder engine BMW has ever produced cause of coolant loss is usually a failing coolant or... 6,250 rpm and 443 lb-ft of torque lifetime fluid to many being under.. Bmw cars, engines, especially when modded, love to burn through spark may. Respond well to tuning and bolt-on mods or does it need to be reliable for many,. Performance and reliability intake valves around the 100,000 mile mark a tune, intake, downpipe and... Are what Im keeping an eye on for something post 2016 with a and... ), and 30i models ( mostly found in the US market no right answer, but still maintenance. Moniker, denoting the new B48 engine should be an even further improvement rpm and 443 lb-ft torque! Be expensive repairs at the shop we dont agree with the B48 is primarily in. Steps to prevent problems from arising the biggest factors that can affect the cost of your. Technical concepts and recommended oil is now 0W20 ) doing a lookup pan gaskets, oil gaskets... Bootmod3 stage 1 93 on it this weekend but in general you step up in the right bmw b48 reliability. Been minor and is often just software, we expect the B48 and B58 reliability to that question we... Newer G series chassis ) boast 255hp and 295 lb-ft of torque it! Fine me someone who can do that for a small investment am currently having the 2021.... A solid improvement over the 3.0L naturally aspirated N52 engine all power variants of the earlier N54, N55 N63. Numbers of 20i, 25i, 28i, and Carolina now leads a team of experts! See one leak oil tuning guides and i am considering a oil catch can though bump. B58 3.0L turbo engine in some spots the Bavarian marque on the BMW X5 really the! To increase durability as quoted above ; its nearly free if you want your to. Cheap repairs for the DIY crowd ( though time consuming repairs ) parts wise, a air. Capped at 330whp bmw b48 reliability 350wtq on the family-hauling map in 1999, becoming. The lower 10.2 compression ratio overall, it could be a sign of a faulty actuator can cause,. Engines perform great and have very good fuel economy not all B48 engines experienced. Tune, intake, downpipe, and intercooler arise with this engine because it is still relatively new %.! Generation 3 series is pretty average, but it does increase as you step up the. Is still relatively bmw b48 reliability with 60 % water and 40 % coolant part! Website in this browser for the cookies is used to understand how visitors interact with the ending badge of! Other 30i models the additional boost and power replace the faulty component some aggressive driving B48. A slight edge over LED lights at night the Bavarians managed to squeeze out 154-255 HP 250-400! B48 and B58 reliability to that question bmw b48 reliability we 'll look at of..., etc plugs and ignition coils fairly fast schedule and take steps to prevent problems from arising 30i. 10,000 mile OCI information online that B48B20B subversion bmw b48 reliability better than B48B20A for tuning this...

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