12 42 510 Replacing battery positive lead (between starter and B+ terminal) (S65)
WARNING: This page is about a different variant/trim than selected.
Read fault memory. Switch off ignition
Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .
OBSERVE INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Disconnect battery negative lead from battery and lay to one side.
Necessary preliminary tasks
Release and raise cable duct for engine wiring harness; refer to REMOVING ENGINE WIRING HARNESS
Release nut (2) on B+ lead.
Remove B+ leads.
Installation:
Tightening torque, 12 41 1AZ
Release clamp for B+ lead on cylinder no. 4.
Unclip lead from cable holders.
Remove cover from B+ terminal. Unfasten nut. Remove B+ lead.
Installation:
Tightening torque, 12 42 1AZ
NOTE:
Assemble engine.
Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults and clear fault memory.