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| BMW M67 | |
|---|---|
| Overview | |
| Manufacturer | BMW |
| Production | 1998-2009 |
| Layout | |
| Configuration | 90° V8 |
| Displacement |
|
| Cylinder bore | 3.9-litre: 84 mm (3.31 in) 4.4-litre: 87 mm (3.43 in) |
| Piston stroke | 3.9-litre: 88 mm (3.46 in) 4.4-litre: 93 mm (3.66 in) |
| Cylinder block material | Cast iron (3.9-litre) Aluminium (4.4-litre) |
| Cylinder head material | Aluminium |
| Valvetrain | DOHC 4 valves x cyl. |
| RPM range | |
| Max. engine speed | 4,700 |
| Combustion | |
| Turbocharger | Twin-turbo |
| Fuel system | Common rail direct injection |
| Fuel type | Diesel fuel |
| Cooling system | Water-cooled |
| Output | |
| Power output | 175–243 kW (235–326 hp) |
| Torque output | 560–750 N⋅m (413–553 lb⋅ft) |
| Dimensions | |
| Dry weight | 3.9-litre: 222 kg (489 lb) (277 kg (611 lb) wet) 4.4-litre: 192 kg (423 lb) |
| Chronology | |
| Predecessor | - |
| Successor | BMW N57 |
The BMW M67 is an automobile diesel engine, used in the BMW 7 Series. It was first introduced in 1998, and used until 2009. The engine is a common rail turbodiesel V8 design, using double overhead camshafts and 32 valves. It is the first luxury car application of a bi-turbo diesel intercooled V8 engine. The 3.9-litre iteration won the "3-4 L" category of the International Engine of the Year award in 1999 and again in 2000. It was replaced by the 6-cylinder N57 engine.