Buy BMW B58 Engines – High-Performance 3.0L Turbo Inline-6
Why Choose the BMW B58 Engine?
The BMW B58 is one of the most advanced turbocharged inline-6 engines ever made, offering exceptional power, efficiency, and tuning potential. Used in models like the 340i, M240i, Z4 M40i, and even the Toyota Supra MK5, this engine is a favorite among enthusiasts for its closed-deck block, twin-scroll turbo, and high-pressure direct injection.
Whether you need a replacement engine, a performance upgrade, or a swap project, the B58 delivers 335–382 HP stock and can easily reach 500+ HP with modifications.
BMW B58 Engine Specifications
| Specification | Details |
|---|---|
| Engine Code | B58B30 (varies by model) |
| Displacement | 3.0L (2,998 cc) |
| Configuration | Turbocharged Inline-6 |
| Horsepower | 335–382 HP (stock) |
| Torque | 369–369 lb-ft (stock) |
| Redline | 7,000 RPM |
| Turbocharger | Twin-scroll single turbo |
| Block Material | Aluminum with closed-deck design |
| Fuel System | Direct injection (up to 250 bar) |
| Valvetrain | DOHC, VANOS & Valvetronic |
| Applications | 340i, M240i, Supra MK5, Z4 M40i, X5 40i |
Key Features of the BMW B58 Engine
✔ Closed-Deck Block – Stronger than open-deck designs, handles high boost.
✔ Twin-Scroll Turbo – Reduces lag for instant throttle response.
✔ High-Pressure Direct Injection – Optimizes fuel efficiency and power.
✔ Forged Crank & Rods – Durable internals for tuning potential.
✔ Cooling Upgrades – Improved thermal management for reliability.
Performance Potential & Tuning
The B58 is one of the most tuner-friendly BMW engines, capable of 500+ HP with simple mods:
- Stage 1 Tune – ~400-420 HP (ECU flash only)
- Stage 2 Tune – ~450-500 HP (Downpipe, intercooler, tune)
- Hybrid Turbo/Big Turbo – 550-700+ HP (Built engine recommended)
Popular tuning platforms:
- BM3 (BootMod3)
- MHD Tuning
- JB4 (Piggyback)
Buying a BMW B58 Engine – What to Look For
When purchasing a B58 engine for sale, consider:
- Mileage – Lower miles (<70k) for longevity.
- Service History – Check for oil leaks, timing chain wear.
- Warranty – Opt for a tested engine with a warranty.
- Source – Buy from reputable sellers like Us with verified engines.
Why Buy From Us?
✔ Tested & Inspected Engines – Compression tested, no leaks, ready to install.
✔ Warranty Available – Protect your investment.
✔ Fast US Shipping – Get your B58 engine quickly.
✔ Expert Support – Help with compatibility & tuning advice.
Ready to Buy a BMW B58 Engine?
Whether you need a stock replacement, a tuned build, or a Supra/340i engine swap, we have low-mileage, high-quality B58 engines in stock.
Contact us today for pricing & availability!
BMW B58
