What Engine Powers a BMW M3? Performance and Specs Explained

The BMW M3 is powered by a high-performance inline-six engine, specifically the BMW B48 twin-turbocharged inline-six, which delivers exceptional performance in both sedan and coupe variants. This naturally aspirated engine produces up to 503 horsepower in the M3 Competition model, while the M3 Touring variant features a slightly reduced yet still potent 431 horsepower output. The engine’s advanced turbocharging and precise calibration ensure responsive acceleration and dynamic handling, hallmarks of the M3 lineage. Engineered for sporty driving, the B48 inline-six balances power delivery with efficiency, making the BMW M3 a benchmark in performance sedans. Its inline-six design provides smooth power delivery and a distinct, engaging exhaust note that defines the M3 driving experience. Whether in the sedan or coupe, this engine remains central to the M3’s legacy of precision and performance.

The BMW M3’s twin-turbocharged inline-six engine defines its identity, delivering both power and refinement. With meticulous engineering, it continues to set standards in the performance car segment—perfect for enthusiasts seeking precision, speed, and driving joy. Explore the M3’s engineering excellence today.

In the #M3M4explained series, the developers of the BMW M3 and M4 have the floor. In episode eight they explain the engine details of the new BMW M3 Competition and BMW M4 Competition. The M3 uses BMW's twin-turbocharged 3.0-liter "S58" inline six, an engine shared with the M2 and M4 models and available in three different states of tune in the M3 lineup.

Rear-wheel drive comes standard, though all-wheel drive is standard on the M3 Competition xDrive. The base M3 gets a manual transmission; both Competition models get an eight. Read our 2026 BMW M3 review for information on ratings, pricing, specs, and features, and see how this sedan performed in our testing.

BMW M3 evolution - every generation's specs, power & history from the E30 to today's G80. Find out which M3 is the best, full breakdown inside (+ best mods for tuning). The BMW M3 Competition and the CS are equipped with the same 3.0-liter "TwinPower" turbo 6-cylinder engine.

However, BMW did some fine. BMW 3 Series Sedan M models: Technical data of all models. Performance, measurements, fuel consumption and further specifications at a glance.

Comprehensive technical specifications and detailed documentation for the 3.0L inline-6 twin-turbocharged engine used in the 2021-Present BMW M3. Covers engine performance metrics, torque curves, fuel injection systems, cooling systems, and maintenance guidelines. Explore the engine options in different BMW M3 generations.

Learn about their performance, reliability, and tuning potential. Detailed specs and features for the 2025 BMW M3 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. The BMW M3 is equipped with a 3.0-liter inline-six engine that produces up to 473 horsepower and 406 lb-ft of torque.

This engine is turbocharged and features BMW's advanced M TwinPower technology, which enhances its performance and efficiency.

Load Site Average 0,422 sec