Removing and Installing/Replacing Alternator

12 31 020 - Removing and installing/replacing alternator (BMW ALPINA B7)





Necessary preliminary tasks:
- Switch off ignition
- Follow instructions for disconnecting and connecting battery Instructions for Disconnecting and Connecting Battery
- Disconnect battery negative lead and cover
- Remove alternator drive belt Replacing Alternator Drive Belt





Release screw (1).

Note:
Remove special tool 11 3 340 prior to removing belt tensioner. Refer to 11 28 010 Replacing Alternator Drive Belt.

Release bolt (2) and remove belt tensioner.

Remove cover (3) and release screw underneath. Remove deflecting element (4).
Release screw (5).
Carefully press hydraulic lines (6) to one side.
Pull alternator forwards until connections are accessible.





Unlock plug (1) and remove.
Remove cover (2) and release nut underneath.
Disconnect battery positive lead from alternator.
Remove alternator.