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

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Necessary preliminary work:

Read out the fault memory of the DME control unit.
Switch off ignition.
Disconnect BATTERY EARTH LEAD .
REMOVE intake plenum.

Fold back cover (1).

Release nut underneath. Remove positive battery cable from battery positive terminal.

Tightening torque: 12 42 3AZ .

Fig 1: Identifying Back Cover Of Positive Battery Cable

G09943581

Courtesy 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 Protective Cap And Connector

G09875409

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Positive Battery Cable And Holder

G04755156

Courtesy 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, Starter Motor And Screws

G06905177

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Reassemble the vehicle.
Check stored fault messages.
Delete fault memory.