12 61 285 Replacing engine oil level sensor (N52, N52K, N51, N46, N54, N53)

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IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks:

Switch off ignition
E60 / E63 / E64 / E83 / E85 / E86 / E70 only: Remove REINFORCEMENT PLATE
E70 / E81 / E87 / E82 / E88 / E90 / E91 / E92 / E93 only: Remove UNDERBODY PROTECTION
Drain off engine oil

Unlock plug (1) and remove.

Unscrew nuts.

Tightening torque 12 61 2AZ .

Remove oil level sensor (2).

Fig 1: Identifying Oil Level Sensor, Plug And Nuts

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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.