84 10 530 Replacing the emergency battery for the telematics control unit in the vehicle interior (behind the glove box) (after vehicle diagnosis)

Necessary preliminary tasks:

Removal:

Open lid (1) on telematics control unit (2) and remove.

Fig 1: Telematics Control Unit Lid

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Disconnect plug.

Remove the emergency battery (1) from the telematics control unit (2).

Fig 2: Removing Battery From Telematics Control Unit

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Installation:

Connect connector.

Insert the emergency battery (1) into telematics control unit (2) and connect the connector.

NOTE: Make sure the emergency battery and connector are correctly fitted.

Fig 3: Removing Battery From Telematics Control Unit

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Position and close lid (1) on telematics control unit (2).

Fig 4: Telematics Control Unit Lid

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NOTE: Make sure lid (1) is correctly fitted.

Required follow-up work: