BMW G20 M340I Engine Performance and Engineering Excellence

The BMW G20 M340I engine embodies performance fused with engineering precision, offering exhilarating power and refined handling that define the next generation of BMW driving joy.

The M340I in the G20 series features a turbocharged inline-six generating up to 382 horsepower and 376 lb-ft of torque, delivering responsive acceleration and precise throttle control. Its lightweight design and advanced engine management ensure optimal efficiency and dynamic performance across diverse driving conditions.

Equipped with BMW’s latest valvetronic system and intelligent torque distribution, the G20 M340I balances raw power with fuel economy. The engine’s adaptive cooling and real-time diagnostics enhance longevity and reliability, making it a standout in its class.

Drivers of the M340I grip the road with confident precision, benefiting from a refined chassis integration and responsive steering. The engine’s smooth power delivery and low-rev performance deliver a rewarding experience whether cruising on highways or navigating sharp turns.

The BMW G20 M340I engine sets a benchmark in performance engineering—where power meets refinement. Discover the blend of sophistication and strength that defines this iconic powertrain. For enthusiasts craving precision, this engine delivers an unmatched driving experience.

The seventh generation of the BMW 3 Series range consists of the BMW G20 (sedan version) and BMW G21 (wagon version, marketed as 'Touring') compact executive cars. The G20/G21 has been in production since mid-October 2018 [5] with a facelift in July 2022 and is often collectively referred to as the G20. The M340i, one of the first models in the range, became available for sale in the spring of.

The BMW M340i is the crowned jewel of the non-M G20 3-Series lineup and there is no question that it deserves the title. Bordering on the edge of a family-friendly sedan and full track monster, the M340i exemplifies why so many people swear by BMW. 382 horsepower and enough room in the trunk for three golf bags; that's a combo that you don't get from many other brands.

The 3. Learn about the BMW M340i engine specs, reliability, performance, and common concerns. Understand how the B58 inline.

F30 340i vs G20 M340i: Engine Under the hood of both of these cars is the familiar BMW B58 engine that was first introduced with the F30 340i. The F30 340i is powered by the B58B30M0 while the G20 M340i offers a more powerful revised version of the B58, the B58B30O1. The G20 M340i makes more power stock due to its revised B58 engine The F30 340i is not as potent as the G20 M340i, as it outputs.

G20 BMW 3 Series M340i in Mineral Grey 00:00 Intro 00:59 Engine 01:45 Reliability 02:13 Launch Control 02:55 Driving and Handling 06:46 Fuel Economy 07:35 Exterior 09:10 Interior/Tech 10:52 Why. Explore the BMW G20 3 Series M340i xDrive 2019, 2020 detailed specs, including 0-60 mph times, horsepower, and handling data. Get all the Info.

The 2026 BMW 3 Series carries over with top tech, strong engines, and great value. Explore pricing, MPG, features, and why it's still the segment leader. Specs of BMW 3 Series Sedan (G20) M340i (374 Hp) xDrive Steptronic /2019, 2020, 2021, 2022/.

Technical specifications for the 2025-present facelift BMW M340i xDrive (G20) 4 door saloon. Find & compare performance, practicality, chassis, brakes, top speed, acceleration, suspension, engine, weights, luggage & more. 2018 BMW M340i specs, 0-60, quarter mile, lap times, price, top speed, engine specifications, pictures, updated December 2025.