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

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. 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
E60 / E63 / E64 / E83 / E85 / E86 / E70 only: Remove reinforcement plate
E81 / E87 / E90 / E91 / E92 / E93 only: Remove Underbody Protection
Drain off Engine Oil

Unlock plug (1) and remove.

Unscrew nuts.

For tightening torque refer to 2AZ in 12 61 OIL PRESSURE, OIL TEMPERATURE, OIL LEVEL DISPLAY .

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.

Fig 1: Identifying Oil Level Sensor, Mounting Nuts And Plug

G04751377

Courtesy of BMW OF NORTH AMERICA, INC.

Only if the holder for earth strap is installed!

Absolutely reinstall the holder (1) with the earth strap (2)!

Tighten earth strap (2) with screws (3) between the holder and cable clip on the gearbox.

Tightening torque: see 1AZ in 12 52 PLUG CONNECTIONS, TERMINALS, LOOSE PARTS .

If the holder with earth strap is not reinstalled, it can lead to an operating failure of the oil level sensor!

Installation note:

Top up engine oil.

Screw on oil filter cover tightly.

Fig 2: Identifying Oil Level Sensor Earth Strap, Holder And Screws

G06901099

Courtesy of BMW OF NORTH AMERICA, INC.