Removing the positive battery cable from the alternator to the auxiliary terminal for jump starting

WARNING: Working on 12 V electrical system.
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVE THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVE LEFT AND RIGHT WIPER ARM .
Refer to REMOVE THE COWL COVER .
Refer to REMOVING TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE DME CONTROL UNIT .
Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to REMOVE CONTROL UNIT BRACKET .

Positive battery cable of alternator

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WARNING: Working on 12 V electrical system.
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

Unlock lock (1).
Guide and remove cover (2) in arrow direction.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen nut (1).
Loosen clamp (2).
Thread out positive battery cable (3) and set it aside.

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Release the positive battery cable (1) from the clamp (arrow) and set it aside.

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Release the holder (arrows).
Thread out positive battery cable (1) and set it aside.

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Loosen nut (1).
Thread out positive battery cable (2) and set it aside.

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Loosen clamp (1).
Unlock the lock (arrow) and thread out the positive battery cable (2) and set it aside.

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Remove positive battery cable (1) and remove.

Courtesy of BMW OF NORTH AMERICA, INC.