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Home >> BMW >> 2004 >> X3 30i, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair (M54) >> Starter Lead >> 12 42 550 Removing and installing/replacing battery positive lead between starter motor and jump start terminal

12 42 550 Removing and installing/replacing battery positive lead between starter motor and jump start terminal

Necessary preliminary tasks: 

Unclip cover (1).

Fig 1: Unclipping Cover
G03310585Courtesy of BMW OF NORTH AMERICA, INC.

Open protective cap.

Fig 2: Unscrewing Nut
G03310586Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nut (1).

Tightening torque 12 51 4AZ .

Remove cover for fuel injectors.

Unclip battery positive lead (1) from holder (2).

Fig 3: Unclipping Battery Positive Lead From Holder
G03310587Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nut (1).

Fig 4: Detaching Battery Positive Lead From Starter Motor
G03310588Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 12 41 4AZ .

Detach battery positive lead (2) from starter motor and remove.

NOTE: Check stored fault messages.

Now clear the fault memory.