12 14 521 Replacing crankshaft pulse generator (N52, N52K, N51, N53)
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.
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.
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).
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.
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:
- Read out fault memory of DME control unit
- Switch off ignition
NOTE:
Installation location of pulse generator for crankshaft is underneath starter motor.
Preparatory tasks:
Preparatory tasks:
- Remove AIR INTAKE MANIFOLD
Detach plug (1) from crankshaft pulse generator (2).
Release screw.
Installation:
Replace aluminum screws.
Tightening torque 12 14 2AZ .
Withdraw pulse generator (2) from crankcase.
Installation:
Replace sealing ring.
NOTE:
Check stored fault messages.
Now clear the fault memory.
Now clear the fault memory.