Description BMW S55B30A Engine – 3.0L Twin-Turbo Inline-6 for M3/M4 The BMW S55B30A engine is a high-performance 3.0-liter inline-6 twin-turbocharged petrol engine, built specifically for the legendary BMW M3 (F80), M4 (F82/F83), and M2 Competition (F87). It’s the first M engine based on a modern BMW production block (N55), and it delivers thrilling power, track-ready precision, and everyday usability. With 431 to 450 horsepower and 550 Nm of torque, the S55B30A uses a twin mono-scroll turbo setup, forged internals, Valvetronic, Double VANOS, and a closed-deck aluminum block. It revs freely, responds instantly, and is designed for high endurance and heat resistance—making it perfect for spirited road driving and track use alike. The engine is known for: Sharp throttle response Linear torque delivery Excellent tuning potential Exceptional cooling for sustained performance Whether you’re replacing a worn-out S55 engine or upgrading, this unit is ready for high-performance demands. Key Specifications: Engine Code: S55B30A Displacement: 3.0L (2979cc) Configuration: Inline-6, DOHC, 24-valve Fuel Type: Petrol Turbocharger: Twin mono-scroll turbo Valvetrain: Valvetronic Double VANOS Power Output: 431–450 HP / 550 Nm Applications: BMW M3 (F80), M4 (F82/F83), M2 Competition (F87) All engines are compression-tested, visually inspected, and come with a warranty. Optional accessories—ECU, turbos, wiring loom, and intake system—can be included. We offer secure, fast global delivery. Choose the BMW S55B30A engine for the ultimate blend of M power, precision engineering, and motorsport DNA.
