B48B20D Diesel Engine Assembly / Cylinder Block for BMW 3 & 5 Series
The BMW B48B20D is a high-output 2.0-liter turbocharged inline-four engine, primarily featured in the Mini John Cooper Works GP, BMW M235i, and X2 M35i models. This engine delivers approximately 302 to 312 horsepower and 332 lb-ft (450 Nm) of torque; its design highlights include a reinforced closed-deck cylinder block, cast pistons, and a low compression ratio of 9.5:1 to accommodate higher boost pressures.
Description
B48B20D (High-Output Version) Key Technical Specifications:
Engine Type: Inline-4 (Four-stroke), Turbocharged.
Displacement: 1,998 cc (122 cu in).
Bore x Stroke: 82.0 mm x 94.6 mm.
Max Power: Approx. 302–312 hp (225–233 kW).
Max Torque: Approx. 332 lb-ft (450 N·m).
Compression Ratio: 9.5:1 (Lowered to accommodate higher boost pressure).
Valvetrain: DOHC (Dual Overhead Camshafts), featuring WVT and Valvetronic (Variable Valve Lift System).
Fuel System: High-precision Direct Injection.
Turbocharger: Twin-scroll, equipped with a water-cooled intercooler.
Redline: 7,000 RPM.
