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

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Read out fault memory of DME control units
Switch off ignition
Disconnect BATTERY EARTH LEAD
Remove INTAKE PLENUM

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 Lead And Cover

G08469644

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 Starter Motor, Screws And Connector

G06905177

Courtesy of BMW OF NORTH AMERICA, INC.

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