12 42 600 Replacing positive battery cable between alternator and positive battery connection point (N55 Hybrid)

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.

WARNING: High-voltage system - danger to life!

The following points must be strictly observed prior to starting work:

Observe SAFETY INFORMATION for handling hybrid cars.

Necessary preliminary work:

Read out the fault memory of the DME control unit.
Switch off ignition.
Disconnect BATTERY EARTH LEAD .
Disconnect BATTERY EARTH LEAD of auxiliary battery and cover.
Remove INTAKE SILENCER HOUSING .

Fold back cover (1).

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

Tightening torque: 12 42 3AZ

Release positive battery cable from clamps (2) and (3).

Fig 1: Identifying Positive Battery Cable Clamps And Back Cover

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Release positive battery cable from line clip (1).

Fig 2: Identifying Positive Battery Cable Line Clip

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Remove protective cap (2) and release nut underneath.

Tightening torque: 12 42 1AZ .

Remove positive battery cable from alternator and feed out.

Fig 3: Identifying Protective Cap

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NOTE: Reassemble the vehicle.
Check stored fault messages.
Clear diagnostic fault entries from fault memory.