12 42 500 Replacing battery positive lead between starter, alternator and battery positive terminal (N54)
Necessary preliminary tasks:
- Read out fault memory of DME control unit
- Switch off ignition
- Clamp off BATTERY NEGATIVE LEAD
- Remove INTAKE AIR MANIFOLD
Fold back cover (1).
Release nut underneath. Remove battery positive lead (2) from battery positive terminal.
Tightening torque 12 42 3AZ .
Remove protective cap (2) and release nut underneath.
Tightening torque 12 42 1AZ .
Disconnect battery positive lead (3) from alternator.
Unclip battery positive lead (1) from holder (2).
Slacken nut (2).
Tightening torque 12 42 2AZ .
Remove battery positive lead from starter and feed out.
NOTE:
Add final details to vehicle.
Check stored fault messages.
Now clear the fault memory.
Check stored fault messages.
Now clear the fault memory.