BMW X3 Service & Repair Manual > Starter lead: Replacing positive battery cable between starter motor, alternator and
positive battery connection point (N20)
Necessary preliminary tasks:
Switch off ignition.
Disconnect BATTERY NEGATIVE LEAD .
Remove INTAKE PLENUM .
REMOVE COVER FOR WINDSCREEN COWL PANEL .
Release screw (1).
Lever out cable clip (2).
Remove cover (3).
Fold back cover (1).
Release nut underneath. Remove positive ba ...