BMW's M340i is a luxury car with some power behind it, but strangely enough, its engine isn't custom-built. It's repurposed from an older BWM model. BMW M340i Engine Specs, Configuration, and Maintenance Guide Published by Engineer on 21/06/2025 BMW M340i Engine Specifications The BMW M340i is a high-performance variant of the 3 Series, known for its blend of luxury and sporty dynamics.
At the heart of this vehicle is a powerful engine that delivers impressive performance figures. That doesn't mean that the M340i doesn't have its own place in BMW's lineup. BMW M340i vs M3 Performance One of the most obvious discrepancies between the G80 M3 and G20 M340i is performance.
2020 Bmw M340i Engine
That shouldn't be surprising to anyone, as the M3 has always been the top dog in the 3. Detailed specs and features for the 2025 BMW 3 Series M340i including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. This engine makes 374PS of power at 6500rpm and 500Nm of torque at 5000rpm.
The M340i is available with following engine-transmission configuration: 3.0L Turbo Petrol with 8-speed TC (1 variants) Understanding its engine is key! Get all the facts on 2025 BMW M340i's displacement, cylinder, power, torque, mileage and transmission configurations. Compared to other BMW models, the M340i's engine stands out for its blend of power, smoothness, and technological sophistication. While models like the 330i feature smaller turbocharged four-cylinder engines, the M340i's inline-six is more in line with BMW's M Performance lineup, offering a noticeable power boost.
B58 In M340i Wins Best Engine Award - BimmerLife
Unveiling the Powerhouse: Performance and Engine Specs of the BMW M340i 2020 At the heart of the M340i lies an engine that refuses to be outshined, featuring an honestly impressive 3.0-liter turbocharged inline-six-BMW's B58 generation. Drivers have been enjoying the BMW 3 Series for nearly 50 years at this point, with production of the cars starting all the way back in 1975. This line of executive automobiles has been a go-to for decades as a display of luxury, but that doesn't mean these BMWs are only a status symbol.
Sure, the M340i's 3.0-litre straight-six engine is the same size as the M3's, but it only has one turbocharger and puts out a much less impressive 374hp and 500Nm of torque. But, don't write off the M340i Touring just yet. Both on paper and in practice, the BMW M340i is a powerful vehicle.
Engine BMW 3 serie M340i xDrive 3.0 TwinPower Turbo 24V - 8679022 B58B30B
The engine that BMW chose for the M340i is largely responsible for the vehicle's impressive stopping power. Engines like the B58B3 3.0L inline 6.
