61 12 002 Replacing positive battery cable (from battery to luggage compartment connector)

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2007 BMW 530xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .

Necessary preliminary tasks:

Remove LEFT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .
Remove RIGHT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .
Disconnect BATTERY NEGATIVE LEAD .

Security version:

Remove protective cover from distribution box/battery positive terminal (luggage compartment)

Lever out clips (1).

Release plastic nuts (2).

Remove underlay for luggage compartment floor panel (3).

Fig 1: Removing Underlay For Luggage Compartment Floor Panel

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Disconnect plug connection (1). Disconnect plug connection (3) of IBS cable.

Unlock cable lug mounting and fold back.

Unscrew nut (2). Tightening torque: 15 Nm

Remove positive battery cable. Unscrew nut (5). Tightening torque:

M6: 5 Nm
M8: 15 Nm

IMPORTANT: Do not under any circumstances pull/lever safety battery terminal (2) off by force.

Pull safety battery terminal (4) upwards and remove.

Fig 2: Removing Battery Terminal

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Open cable lug mounting (1).

Release screw (2).

Tightening torque: 15 Nm

Unclip and remove positive battery cable (3).

WARNING: Risk of short circuits!

When installing, ensure:

Cable lug mounting (1) is correctly seated on positive battery cable (3).
Screw is properly connected.

Fig 3: Removing Positive Battery Cable

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Unclip positive battery cable (1) from cable guides (2) and remove.

Fig 4: Unclipping Positive Battery Cable From Cable Guides

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