The BMW B58 engine is more than just a powerplant—it’s a symbol of refined performance and engineering innovation. Whether you’re restoring a BMW 340i, upgrading your M240i, or even replacing the turbocharged heart in a Toyota Supra, the B58 stands as one of the best inline-six engines of the modern era. In this guide, we cover everything you need to know—from buying used or remanufactured BMW B58 engines to understanding specs, revisions, and common issues.
Overview – What Is the BMW B58 Engine?
The BMW B58 is a 3.0L turbocharged inline-six engine introduced in 2015 as the successor to the N55. It belongs to BMW’s modular engine family, with a 500cc-per-cylinder design that enhances efficiency and scalability across the brand’s lineup.
Key Specs of the B58 Engine:
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Engine Type: Inline-6, turbocharged (Twin-scroll)
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Displacement: 2,998 cc (3.0L)
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Fuel System: High-pressure direct injection
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Compression Ratio: 11.0:1
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Redline: 7,000 RPM
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Boost Pressure: ~20 psi (stock)
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Intercooling: Integrated water-to-air intercooler in intake plenum
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Turbo Type: Single twin-scroll turbocharger
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Valvetrain: DOHC with Double VANOS and Valvetronic
BMW B58 Engine for Sale – Options Available
When buying a B58 engine, customers generally choose between two categories:
Used BMW B58 Engines: Taken from low-mileage vehicles
OEM components with minimal internal modifications
Ideal for budget-conscious buyers looking for direct fitment
Remanufactured BMW B58 Engines:
Fully disassembled, cleaned, and rebuilt with new gaskets, seals, and machined components
Often includes upgraded parts like forged pistons or reinforced timing components
Warranties often range from 6 months to 2 years, depending on the supplier
Both options can be sourced with or without accessories (turbo, intake, ECU, etc.), so clarify your needs when buying.
B58 Engine Compatibility – What Cars Use the B58?
The B58 powers a range of BMW’s performance vehicles and was notably adopted by Toyota in the A90 Supra. Some of the most common applications include:
BMW Models:
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BMW 340i (F30/F31)
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BMW 540i (G30)
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BMW M240i (F22)
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BMW Z4 M40i (G29)
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BMW X3 M40i / X4 M40i / X5 40i
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BMW 740i (G11/G12)
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BMW M340i (G20)
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BMW M440i (G22)
Toyota:
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Toyota Supra GR (A90, A91)
B58 vs N54, N55 & S55 – What Makes It Better?
Compared to its predecessors:
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B58 vs N55: B58 features a closed-deck block, higher boost, improved internals, and better cooling
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B58 vs N54: Greater reliability and fuel efficiency, though the N54 is more tunable
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B58 vs S55: The S55 offers higher output but is track-focused, while the B58 offers smoother power delivery for everyday performance
B58 TU (Technical Update) – Engine Evolution
In 2018, BMW released the B58TU (Technical Update), introducing:
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Higher fuel injection pressure (from 200 to 350 bar)
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One-piece timing chain for simplified maintenance
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Dual cooling circuits
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Integrated exhaust manifold
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Particulate filter to meet stricter emissions
Common Issues with BMW B58 Engines
Like all engines, the B58 isn’t without flaws. Common issues include:
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Carbon Buildup: Affects intake valves; walnut blasting helps
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High-Pressure Fuel Pump (HPFP) Failure: Causes misfires and performance drops
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Oil Leaks: Usually from the valve cover or oil filter housing
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Water Pump Failure: Can lead to overheating
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Timing Chain Tensioner Wear: May cause rattling or premature wear
Preventative maintenance, high-quality fluids, and regular diagnostics can extend the life of the engine significantly.
Subcategories Under BMW Engines
If you’re organizing an e-commerce or blog catalog, structure your content under the following subcategories:
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BMW Turbocharged Engines
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Inline-Six Engines
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Used BMW Engines
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Remanufactured BMW Engines
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Performance & Upgrade Engines
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BMW Supra Engines
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B-Series Engines (B58, B48, B57)
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Engine Swaps & Long Blocks
Conclusion: The BMW B58 is not just one of the most advanced inline-6 engines ever built—it’s also one of the most accessible for enthusiasts looking to upgrade, swap, or restore a BMW or Supra. Whether you opt for a used unit or a professionally remanufactured long block, a B58 engine for sale offers performance, reliability, and innovation in one tight package.
Thinking of purchasing a BMW B58 engine? Make sure to evaluate your needs, budget, and the warranty offered. And don’t forget: proper installation and maintenance are key to unlocking its full potential.
Want help choosing the right B58 engine for your vehicle? Contact us or explore our inventory today.