12 61 285 Removing and installing/replacing oil level sensor for engine oil (N74)

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IMPORTANT: Read and comply with notes on protection against damage from electrostatic discharge (ESD protection).

Necessary preliminary tasks:

Switch off ignition
Remove rear UNDERBODY PROTECTION
Drain off ENGINE OIL

Fig 1: Identifying Oil Level Sensor Connector With Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and remove.

Unscrew nuts (2).

Tightening torque: see 2AZ in 12 61 ENGINE OIL PRESSURE, OIL CONDITION DISPLAY .

Remove oil level sensor.

Installation note:

Clean sealing surface 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.

NOTE: Check stored fault message.

Delete fault memory.