61 12 004 Replacing battery positive lead (from luggage compartment connector to engine bulkhead connector)

Necessary preliminary tasks: 

• Remove Battery   battery 
• E93 only: 

Remove vibration damper 

Open cap (1) and release nut underneath.

For tightening torque refer to 61 12 1AZ  in 61 12 AUXILIARY CABLES/LEADS .

Remove cable lug mounting from positive battery leads (2).

Fig 1: Identifying Positive Battery Leads And Cap

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Turn clamping rings (1) in direction of arrow and remove.

Installation: 

Make sure clamping rings (1) are correctly seated.

Fig 2: Identifying Clamping Rings And Removal Direction

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Remove Right Underbody Panelling. 

Remove Fuel Tank. 

Pull battery positive lead (1) out of luggage compartment floor (2).

Fig 3: Identifying Battery Positive Lead And Luggage Compartment Floor

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Release screw (1).

Remove cover (2) and release cable holder.

Fig 4: Identifying Screw And Cover

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Release cable holder (1).

Fig 5: Identifying Cable Holder

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Remove Electronics Box. 

Remove protective cap (1).

Release nuts underneath.

For tightening torque refer to 61 12 4AZ  in 61 12 AUXILIARY CABLES/LEADS .

Remove positive battery cable.

Fig 6: Identifying Protective Cap

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Remove front right Wheel Arch Cover (Rear Section). 

Release cable strap (1).

Remove battery positive lead in downward direction.

Fig 7: Identifying Cable Strap And Removal Direction

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