12 61 285 Removing and installing/replacing oil level sensor for engine oil (N63 B40/B44 O 0/1)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

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 ENGINE OIL .

Unlock connector (1) and remove.

Unscrew nuts (2).

Tightening torque 12 61 2AZ.

Remove oil level sensor (3).

Installation note:

Clean sealing surface on oil sump.

Replace seal on oil level sensor.

An excessively low torque value will result in oil leaks.

Fig 1: Identifying Oil Level Sensor, Connector And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

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.