12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (230i and 230i xDrive coupe/convertible)

Necessary preliminary tasks:

Removal:

Positive battery cable overview:

Release positive battery cable (1) along the arrows.

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Slacken nut (1).

Feed out positive battery cable (2) and place to one side.

Release clamp (3).

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Unlock cover (1) and release.

Release screw (2).

Feed out positive battery cable (3) and remove.

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Slacken nut (1).

Feed out positive battery cable (2) and place to one side.

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Release positive battery cable (1) from clamps (2) and remove.

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Installation:

Positive battery cable overview:

Feed in positive battery cable (1) along arrows and install.

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Feed positive battery cable (1) into clamps (2) and install.

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Feed in and install positive battery cable (1).

Bring turning protection (2) of the positive battery cable (1) on the starter motor to the limit position (3).

Tighten nut (4).

Tightening torque 12 42 2AZ .

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Feed in and install positive battery cable (3).

Connect positive battery cable (3) and tighten screw (2).

Tightening torque 12 52 9AZ .

Feed in and lock cover (1).

Cover (1) must audibly snap into place.

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Feed in and install positive battery cable (2).

Secure clamp (3).

Tighten nut (1).

Tightening torque 12 42 1AZ .

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Required follow-up work: