The BMW B58 engine is one of the most talked-about turbocharged inline-six engines in recent years. It delivers a perfect mix of power, smoothness, and reliability that appeals to performance lovers and daily drivers alike.
In this guide, you’ll learn exactly which BMW models use the B58 engine, how it performs, and why it’s so popular among car enthusiasts.
What BMW Models Have the B58 Engine?
The B58 engine is found in many BMW models starting from 2016. It replaced the older N55 engine and comes in various power levels depending on the model and trim.
Here’s a list of BMWs that come with the B58 engine, categorized by series and generation:
1 Series
- F40 M135i xDrive (2019–present)
2 Series
- F22 M240i (2016–2021)
- G42 M240i xDrive (2021–present)
3 Series
- G20 330i – No (uses B48 4-cylinder)
- G20 M340i (2019–present) – Yes, has B58
4 Series
- F32 440i (2016–2020)
- G22 M440i xDrive (2020–present)
5 Series
- G30 540i / 540i xDrive (2017–present)
7 Series
- G11/G12 740i (2016–2022)
- G70 740i (2022–present)
8 Series
- G15 840i / 840i xDrive (2019–present)
X Series (SUVs)
- G01 X3 M40i (2017–present)
- G02 X4 M40i (2018–present)
- G05 X5 xDrive40i (2019–present)
- G06 X6 xDrive40i (2020–present)
- G07 X7 xDrive40i (2019–present)
Z Series
- G29 Z4 M40i (2019–present)
This is a non-exhaustive list, but it covers nearly all B58-equipped BMWs you’ll find on the road today. Different years and markets may affect availability.
What Makes the B58 Engine Special?
The B58 is more than just another turbocharged engine. It’s part of BMW’s modular engine family and offers several improvements over its predecessor, the N55. Here’s why it stands out:
- Closed-deck engine block – Offers better strength for higher power levels
- Integrated water-to-air intercooler – Reduces turbo lag
- Twin-scroll turbocharger – Improves responsiveness and efficiency
- Lightweight construction – Made with magnesium and aluminum alloy
All of these features result in a smoother, more efficient, and more powerful driving experience. The B58 engine has even earned awards for performance and engineering quality.
How Much Power Does the B58 Make?
The power output of the B58 engine depends on the version and the vehicle it’s in. Here’s a quick breakdown:
| Version | Horsepower | Torque (lb-ft) | Models |
|---|---|---|---|
| B58B30M0 | 322–340 hp | 332–369 lb-ft | 2016–2019 340i, 440i, 540i |
| B58B30O1 | 374–382 hp | 369–384 lb-ft | 2020+ M340i, Z4 M40i, M440i |
| B58B30M1 | 335 hp | 332 lb-ft | Toyota Supra GR (BMW collaboration) |
This wide range of power outputs shows how flexible the B58 engine is, making it suitable for sports cars, sedans, and SUVs alike.
Is the B58 Engine Reliable?
Yes, the B58 engine is known for being one of BMW’s most reliable modern engines. It doesn’t suffer from the same common issues that plagued earlier turbo engines like the N54 and early N55 versions.
Here are some reliability highlights:
- Fewer oil leaks – Better gasket and valve cover designs
- Stronger internals – Can handle high mileage and moderate tuning
- Improved cooling – Keeps engine temps stable under load
However, like all turbocharged engines, regular maintenance is key. Oil changes, coolant flushes, and using high-quality fuel help extend its lifespan.
Can You Tune the B58 Engine?
Absolutely. The B58 responds very well to tuning, which is another reason why enthusiasts love it.
With just a stage 1 tune and no hardware changes, you can easily get:
- Up to 400–420 hp
- 500+ lb-ft of torque
Upgrade the turbo, intercooler, and fuel system, and the B58 can safely push 500–600 hp or more. It’s also a favorite among drag racers and track-day fans because of its reliable tuning platform.
Does the B58 Appear in Any Non-BMW Cars?
Yes. The B58 engine is also used in the Toyota GR Supra, which was co-developed with BMW. The Supra uses a modified version of the B58 that performs similarly to the one in the Z4 M40i.
This partnership brought the B58’s excellent performance to a whole new audience, and many Supra fans have praised its balance and tuning potential.
Final Thoughts: Is the B58 the Best BMW Engine?
The B58 might be the best modern engine BMW has built for the mass market. It balances smoothness, power, fuel efficiency, and reliability in a way few other engines do.
If you’re shopping for a BMW and want performance without constant headaches, getting a B58-equipped model is a smart move.
Want to explore more BMW tech and performance features? Check out more articles on BMW Tech Features and dive deeper into what makes BMW engineering so unique.
Conclusion
The B58 engine is a game-changer for BMW. It powers a wide range of vehicles, from compact coupes to large SUVs, and consistently delivers top-notch performance and reliability. Whether you’re into daily driving or spirited weekend fun, the B58 delivers both power and peace of mind.
Now that you know which BMWs use the B58 engine, explore your options and experience what this inline-six turbo can really do. And if you want to learn more about BMW features, read more here and stay ahead of the curve.
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