12 14 521 Replacing crankshaft pulse generator (N54)

IMPORTANT: Read and comply with notes on ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

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

Aluminum screws/bolts are permitted with and without color coding (blue).

For reliable identification:

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

Necessary preliminary tasks

NOTE: Installation location of pulse generator for crankshaft is underneath starter motor.

Detach plug (1) from crankshaft pulse generator (2).

Release screw.

Installation:

Replace aluminum screws.

Tightening torque 13 62 4AZ .

Fig 1: Locating Crankshaft Pulse Generator With Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Withdraw pulse generator (2) from crankcase.

Installation:

Replace sealing ring.

NOTE: Check stored fault messages.
Now clear the fault memory.