12 42 500 Replacing Battery Positive Lead (Between Starter, Alternator And Battery Positive Terminal)

Necessary preliminary tasks: 

• Read out fault memory of DME control unit
• Switch off ignition
• Disconnect BATTERY NEGATIVE LEAD
• Remove AIR INTAKE HOSE
• Remove LOCK BRIDGE
• Disconnect battery positive lead from battery positive terminal. Tightening torque: 5 Nm
• Unlock plug on bulkhead and disconnect.

Unlock plug (1) and remove.

Release nut and disconnect battery positive lead (2).

Tightening torque: 14 Nm

Fig 1: Identifying Battery Positive Lead And Unlock Plug

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Unlock plug (1) and remove.

Release nut and disconnect battery positive lead (2).

Tightening torque: 13.5 Nm

Fig 2: Locating Battery Positive Lead Nut

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Release bolts.

Tightening torque: 8 Nm

Feed out air wiring harness (1) and remove.

Fig 3: Locating Wiring Harness

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