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) .
Necessary preliminary work:
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.
Withdraw pulse sensor (2) from crankcase.
Installation note:
Replace sealing ring.
NOTE: Check stored fault messages.
Delete fault memory.
BMW X3 Service & Repair Manual > Electronic switching or control units: Replacing control unit (dme) (N55)
IMPORTANT:
Read and comply with notes on protection against electrostatic discharge (ESD protection).
Necessary preliminary tasks:
Switch off ignition.
Disconnect BATTERY NEGATIVE LEAD .
Remove INTAKE PLENUM .
IMPORTANT:
FOLLOW INSTRUCTIONS FOR REMOVING AND INSTALLING CONTRO ...