12 31 020 Removing and installing or replacing alternator (M52, M52TU, S50US, S52, M54, M56): Notes
WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, 2001 BMW 525i, and 2000 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Read out stored fault messages
- Switch off ignition
- Follow instructions for disconnecting and connecting battery. Refer to 12 00... Instructions for disconnecting and connecting battery .
- Disconnect and cover battery negative terminal
- Remove suction filter housing. See 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (M54)
- Remove fan clutch. See 11 52 020 REMOVING AND INSTALLING/REPLACING FAN CLUTCH (S52 / S54 / M52 / M52TU / M54 / M56)
- Remove alternator drive belt. See 11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56)
If necessary, drain supply tank for power steering pump, remove with holder and place to one side.
NOTE:
Lines on supply tank for power steering pump remain connected.
If fitted:
Remove air hose.