11 13 000 Removing and Installing, Sealing Or Replacing Oil Sump (N54) AWD

IMPORTANT:

Aluminum screws/bolts must be replaced each time they are released .

The end faces of aluminum screws/bolts are painted blue for the purposes of reliable identification.

Jointing torque and angle of rotation must be observed without fail (risk of damage) .

Necessary preliminary tasks:

Remove engine splash guard.
Secure engine in installation position.
Lower front axle.
Remove left drive shaft.
Remove right drive shaft.
Remove front axle differential.

NOTE: The lines must be detached from the engine oil sump in the case of the optional extra automatic transmission; if necessary, detach vane pump and place to one side. Release bolts on transmission.

Release return hose.

Release screws along line (1).

Tightening torque, see 11 13 1AZ in ENGINE -- TORQUE SPECIFICATIONS -- TWIN TURBO

Installation:

Replace aluminum screws.

Replace all seals.

If necessary, release bolts (4), remove oil level sensor.

Fig 1: Identifying Oil Level Sensor & Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.