12 14 521 Replacing crankshaft pulse generator (N52K)

WARNING: This page is about a different variant/trim than selected.

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

IMPORTANT: Aluminium-magnesium materials.

No steel screws/bolts may be used due to the threat of electrochemical corrosion.

A magnesium crankcase requires aluminum screws/bolts exclusively.

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:

Aluminum screws/bolts are not magnetic.

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 2AZ .

Withdraw pulse generator (2) from crankcase.

Fig 1: Removing Plug From Crankshaft Pulse Generator

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing ring.

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