Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Lower front axle . See 3111506 LOWERING/RAISING FRONT AXLE SUPPORT (UNIVERSAL LIFTER) or 3111506 LOWERING/RAISING FRONT AXLE SUPPORT (SWZ00-2040)
Drain and add ENGINE OIL

NOTE: The lines must be detached from the oil sump on vehicles with automatic transmission; if necessary, detach oil pump and set aside.

Unclip electrical lines (2) of monitoring sensors from holder (3).

Disconnect plug connections (1) of monitoring sensors and lay to one side.

Release bolts (5) on gearbox.

Tightening torque 11 13 7AZ .

Lay holder (3) to one side.

Disconnect plug connection (4) on oil level sensor.

Fig 1: Identifying Plug Connections, Electrical Lines And Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Detach return hose (2).

IMPORTANT: For vehicles with automatic transmission, bolts of different lengths are installed for mounting the oil sump.
Observe different tightening torques.

Release bolts along line (1).

Tightening torque 11 13 2 AND 3AZ .

Fig 2: Identifying Return Hose, Oil Level Sensor Nuts And Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace aluminum screws.

If necessary, release nuts (4). Remove oil level sensor.

Tightening torque 11 13 11AZ .

Installation note:

Replace sealing ring.

IMPORTANT: There must be no adhesive residues in the lower section of the crankcase retaining threads.
Clean retaining threads and sealing surfaces.

Installation note:

Replace all seals.

Assemble engine.