M340i EngineM340i Engine
The BMW M340i engine is powered by the renowned B58 3.0L turbocharged inline-six, widely praised for its blend of performance, efficiency, and reliability. Built with a closed-deck aluminum block, TwinPower Turbo technology, direct fuel injection, Valvetronic, and double VANOS, the B58 delivers strong low-end torque and smooth high-RPM power. Used in the BMW 340i sedan and touring models, this engine is known for excellent tuning potential, refined operation, and durability, making it a top-tier replacement or performance upgrade option.
In Stock
$4,500.00 – $8,500.00Price range: $4,500.00 through $8,500.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
Additional Information
| Brand | BMW |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2019–2025 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The BMW M340i engine is a high-performance luxury sedan powered by a 3.0-liter turbocharged inline-six engine (B58) that produces approximately 374–387 horsepower and 500 Nm (369 lb-ft) of torque. Paired with an eight-speed automatic transmission and BMW’s xDrive all-wheel-drive system, the vehicle accelerates from 0 to 100 km/h in approximately 4.4 seconds. The M340i incorporates performance-focused components, including an M Sport differential and adaptive suspension, which enhance handling, traction, and overall driving dynamics.
In addition to its performance capabilities, the vehicle offers a refined interior, advanced driver-assistance technologies, and a high level of everyday comfort. As a result, the BMW M340i is widely regarded as a well-balanced alternative to full M models, delivering strong performance with improved practicality and reliability.
Engine Variants
M340i xDrive (Sedan)
The M340i xDrive sedan combines strong straight-line performance with enhanced all-weather confidence. Its all-wheel-drive system improves traction and stability, making it ideal for varied road conditions while maintaining sharp handling and rapid acceleration.
M340i (RWD)
The rear-wheel-drive M340i delivers a more traditional BMW driving experience with a focus on balance and driver engagement. Lighter than the xDrive version, it offers purer steering feel and dynamic handling, appealing to enthusiasts who prioritize performance feel over all-weather capability.
M340i xDrive Touring
The M340i xDrive Touring blends performance with practicality, offering the same powerful B58 engine in a wagon body style. With increased cargo space and all-wheel drive, it is well-suited for families or long-distance travel without compromising BMW’s signature sportiness.
Frequently Asked Questions
What engine does the BMW M340i use?
The BMW M340i uses the B58 3.0L turbocharged inline-six engine.
Is the BMW M340i engine reliable?
Yes, the B58 is considered one of BMW’s most reliable modern engines with proper maintenance.
Can the BMW M340i engine handle tuning upgrades?
Absolutely—the B58 supports ECU tuning, upgraded turbos, and bolt-on performance mods.
Is the BMW M340i engine used in other BMW models?
Yes, variations of the B58 are used across several BMW and Toyota performance vehicles.
Is this engine suitable for a direct replacement?
Yes, as long as the engine code, ECU, and emissions compatibility are properly matched.


