Total information
Engine codes:
- Engine 2171 cm3 - M54 B22
- Engine 2494 cm3 - M52TU B25
- Engine 2494 cm3 - М54В25
- Engine 2793 cm3 - M52TUВ28
- Engine 2979 cm3 - М54В30
Cylinder diameter:
- M54 822 engine - 80.00 mm
- Other engines - 84.00 mm
Stroke:
- M54 V22 engine - 72.00 mm
- Engine M52TU B25 - 75.00 mm
- M54 B25 engine - 75.00 mm
- Engine M52TU В28 - 84.00 mm
- M54 B30 engine - 89.60 mm
Maximum engine power:
- M54 V22 engine - 125 kW at 6100 rpm
- M52TU B25 engine - 125 kW at 5500 rpm
- M54 B25 engine - 141 kW at 6000 rpm
- M52TU B2B engine - 142 kW at 5500 rpm
- M54 B30 engine - 170 kW at 5900 rpm
Maximum motor torque:
- M54 V22 engine - 210 Nm at 3500 rpm
- M52TU B25 engine - 245 Nm at 3500 rpm
- M54 V25 engine - 245 Nm at 3500 rpm
- M52TU B28 engine - 280 Nm at 3500 rpm
- M54 B30 engine - 300 Nm at 3500 rpm
Direction of Motor Rotation - Clockwise (looking at the engine from the front)
Cylinder #1 Position - Timing Chain Side
The firing order of the cylinders is 1-5-3-6-2-4
Compression ratio:
- M54 V22 engine - 10.8
- Engine M52TU B25 - 10.5
- M54 V25 engine - 10.5
- Engine M52TU B28 - 10.2
- Engine M54 B30 - 10.2
Minimum compression pressure - 10.0-11.0 bar
Camshafts
Axial play - 0.150... 0.330 mm
Lubrication system
Minimum pressure at idle - 0.5 bar
Pressure reducing valve setting - 4.0 bar
Clearances in the oil pump:
- Between the pump casing and the outer rotor - 0.100-0.176 mm
- Axial play of the inner rotor - 0.040-0.090 mm
- Axial play of the outer rotor - 0.040-0.090 mm