Caution! Disconnect earth (ground) lead from battery.
Insulate earth (ground) lead.
Remove the horn.
Remove the oil cooler line.
Disconnect the Hall sensor.
Remove the starter motor.
Remove rear leading link mount.
Removing alternator mount cover
Remove the alternator.
Install locking device, BMW No. 115640, to lock clutch housing.
Remove pulley (1).
Remove magnetic gate (2).
Note: It is not necessary to remove magnetic gate (2) when removing the alternator mount cover as a unit.
Remove alternator mount cover (3).
Replacing radial shaft seal in alternator mount cover
Carefully lever out radial shaft seal, using a screwdriver.
Drive in the new radial shaft seal with drift and sliding sleeve, BMW No. 11 5 680.
Note: Slide new radial shaft seal over taper on sliding sleeve, pre-shape and pull off.