12 14 521 Replacing crankshaft pulse sensor (N52T)
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IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION)
.
IMPORTANT:
Aluminum-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) .
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 work:
- Read out the fault memory of the DME control unit.
- Switch off ignition.
- Remove INTAKE PLENUM .
NOTE:
Installation location of pulse sensor for crankshaft is underneath starter motor.
Detach plug (1) from crankshaft pulse sensor (2).
Release screw.
Installation note:
Replace aluminum screws.
Tightening torque 13 62 2AZ .
Withdraw pulse sensor (2) from crankcase.
Installation note:
Replace sealing ring.
NOTE:
Check stored fault messages.
Delete fault memory.
Delete fault memory.