Necessary preliminary work:
Fold back cover (1).
Release nut underneath.
Remove positive battery cable from battery positive terminal.
Release positive battery lead(1) from acoustic cover (3).
Slacken nut (1).
Disconnect positive battery cable from alternator.
Release positive battery lead from retainer (2).
Release retainers (1) and detach positive battery lead from guide.
Release nut (1) on starter motor.
Disconnect positive battery cable from starter motor.
Release positive battery cable from retainers (2).
Feed out positive battery cable and remove.
NOTE: Reassemble the vehicle.
Check stored fault messages.
Delete fault memory.
BMW X3 Service & Repair Manual > Body repair instructions: Bonding steel on steel
IMPORTANT:
These repair instructions apply to structural components.
Such components include engine supports, A-pillars, B-pillars, etc.
Follow the vehicle-specific repair instructions. Only use the repair procedures described there.
Conform with safety regulations .
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