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Home >> BMW >> 2016 >> 535i GT >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Electrical System - Repair >> Starter Lead >> 12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N55)

12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N55)

Necessary preliminary work 

Fold back cover (1).

Release nut underneath. Remove positive battery cable (2) from positive battery connection point.

Tightening torque: 12 42 3AZ .

Fig 1: Identifying Positive Battery Cable And Cover
G09875447Courtesy of BMW OF NORTH AMERICA, INC.

Remove protective cap (2) and release nut underneath.

Tightening torque: 12 42 1AZ .

Disconnect positive battery cable from alternator.

Fig 2: Identifying Connector And Protective Cap
G09875448Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Positive Battery Cable And Holder
G09875449Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (2) on starter motor only  .

Tightening torque, 12 42 2AZ .

Remove positive battery cable from starter motor and pull out.

Fig 4: Identifying Connector, Nuts, Screws And Starter Motor
G09875450Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Reassemble the vehicle.
Check stored fault messages.
Delete fault memory.