BMW X3 Service & Repair Manual > Alternator with drive and mounting: 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 PIPE , top.
Remove TENSIONING DEVICE for drive belt.
Release screws (1).
Unlock connector (1) and remove.
Release nut (2) and remove the po ...