BMW X3 Service & Repair Manual: Removing and installing alternator (N52T)
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:
- Switch off ignition.
- Disconnect BATTERY EARTH LEAD .
- Remove INTAKE SILENCER HOUSING .
- Remove ALTERNATOR DRIVE BELT .
Release connector (1) and remove.
Slacken nut (2).
Installation note:
Disconnect positive battery cable from alternator.
Release screws (3) and remove alternator.
Installation note:
Replace aluminum screws.
Assemble engine.
Removing and installing or replacing alternator (N20, N26)
Necessary preliminary tasks:
Switch off ignition
Disconnect BATTERY EARTH LEAD and cover.
Remove INTAKE SILENCER HOUSING .
Remove CLEAN AIR ...
Other materials:
BMW X3 Service & Repair Manual > Engine wiring loom: Replacing wiring harness section for ignition and injectors (N20)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Remove ACOUSTIC COVER
Remove the PRESSURE CONVERTER for the exhaust turbocha ...