Removing the positive battery cable

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
• Refer to REMOVE BOTH FRONT-END STRUTS .
• Refer to REMOVE FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
• Refer to REMOVE THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to PARTIALLY RELEASING THE RIGHT CHARGE AIR LINE .
• Refer to REMOVE RIGHT CLEAN AIR PIPE .
• Refer to REMOVING COVER FOR THE RIGHT DME CONTROL UNIT .
• Refer to REMOVING THE DME CONTROL UNIT FOR CYLINDERS 1 TO 4 .
• Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to REMOVING THE HOLDER FOR THE RIGHT-HAND DME CONTROL UNIT .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
• Refer to REMOVING THE CENTER UNDERBODY PROTECTION .

Positive battery cable 

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Precondition 

Battery ground lead is disconnected.

• Unlock the locks (1)  .
• Remove the cover (2)  in an upwards direction.

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• Loosen nuts (1)  .
• Remove positive battery cables (2)  .

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• Loosen screws (1)  .
• Loosen the nut (2)  and remove the ground cable.

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• Detach the cover (1)  off and unscrew the nut below it.
• Disconnect positive battery cable from alternator.

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• Unscrew the ground pin (1)  .
• Loosen screw (2)  .
• Disconnect the positive battery cable (3)  from the cylinder head cover.

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• Unfasten nut (1)  .
• Disconnect the positive battery cable (3)  from the clamp (2)  .
• Feed out positive battery cable and remove.

Courtesy of BMW OF NORTH AMERICA, INC.