M60B40 Engine

The M60B40 is a 4.0-liter V8 engine with a bore of 89 mm (3.50 in) and a stroke of 80 mm (3.15 in), resulting in a total displacement of 3,982 cc (243.0 cu in). It features a compression ratio of 10.0:1, producing 210 kW (282 bhp) at 5,800 rpm and 400 N⋅m (295 lb⋅ft) of torque at 4,500 rpm. The engine utilizes a forged crankshaft for improved durability and performance.

Applications:

• 1993–1995 E34 540i
• 1992–1994 E32 740i
• 1994–1996 E38 740i
• 1992–1996 E31 840i
• 1993–1998 De Tomaso Guarà

The M60B40 is renowned for its balance of power, reliability, and refinement, making it a standout in its class during its production years.