12 61 285 Replacing Engine Oil Level Sensor (N52, N52K, N51, N46, N54, N53)
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection). (See 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
and 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
)
Necessary preliminary tasks:
- Switch off ignition
- E60/E63/E64/E83/E85/E86/E70 only: Remove reinforcement plate (See 12 61 285 REPLACING ENGINE OIL LEVEL SENSOR (N52, N52K, N51, N46, N54, N53) and/or 12 61 285 REPLACING ENGINE OIL LEVEL SENSOR (N52, N52K, N51, N46, N54, N53) )
- E81/E87/E90/E91/E92/E93 only: Remove underbody protection (See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT ASSEMBLY UNDERSIDE PROTECTION )
- Drain off engine oil (See 00 00 610 ENGINE OIL SERVICE (N52K) and/or 00 00 610 ENGINE OIL SERVICE INCL. SUPPLEMENTARY SERVICE (N52) )
Unlock plug (1) and remove.
Unscrew nuts.
Tightening torque 12 61 2AZ, see ENGINE ELECTRICAL SYSTEM -- TORQUE SPECIFICATIONS -- TWIN TURBO .
Remove oil level sensor (2).
Installation:
Clean sealing face on oil sump.
Replace seal on oil level sensor.
An excessively low torque value will result in oil leaks.
An excessively high torque value will result in damage to the oil level sensor.
Top up engine oil.