12 61 285 Removing and refitting/replacing engine oil level sensor (N47 D20 O 1 with SCR)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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

Necessary preliminary tasks:

Switch off ignition
Remove front UNDERBODY PROTECTION .
Drain ENGINE OIL .

Release screws (1).

Remove connecting link (2).

Fig 1: Identifying Connecting Link Screws

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Release cable from cable retainer.

Release screws (1).

Remove cable clip (2).

Partially detach sound insulation on the bottom.

Fig 2: Identifying Cable Clip And Screws

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Unlock connector (1) and remove.

Unscrew nuts (2).

Tightening torque 12 61 2AZ .

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.

Fig 3: Identifying Oil Level Sensor Connector And Nuts

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An excessively high torque value will result in damage to the oil level sensor.

Top up engine oil.

NOTE: Check stored fault messages.
Clear diagnostic fault entries from fault memory.