The oil pan represents the bottom end of the engine and serves as an oil collection reservoir. The position of the oil pan (sump) depends on the design of the front axle.
M57-specific features
• Aluminium die cast with integrated thermal oil level sensor
• Oil pan gasket designed as metal-backed gasket (same as on M47, common part E38 and E39)
• Return flow pipe (E38) so that oil from the oil separator can return to the oil sump below the oil level (blow-by gases)
M67-specific features
• Two-piece casing
• Upper section made of pressure die cast aluminium with integrated thermal oil level sensor, sheet metal bottom section (common part with M62)
• Oil pan gasket designed as sheet metal backed gasket, gasket of bottom section of oil pan common part with M62
Timing case cover (M57)
On the M57 the timing case cover covers the chain drive in the area of the crankcase. On the M67 this cover is integrated in the crankcase.
• Aluminium die casting
• Sealed off from crankcase by means of sheet metal beaded gasket (replace gasket after disassembly)
• Unit and belt tensioner connection on cover
Rear end cover (M67)
The rear end cover houses the rotary shaft seal and seals off the rotating crankshaft from the outside.
• Aluminium die casting
• Sealed off from crankcase by means of sheet metal beaded gasket (replace gasket after disassembly)
