84 11 650 Removing and installing (replacing) telematics control unit

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Disconnect battery negative lead. Refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Remove luggage compartment wheel arch trim on left. Refer to 51 47 151 REMOVING AND INSTALLING / REPLACING LEFT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .

NOTE: Follow instructions for handling optical fibers. Refer to 61 00 ... NOTES ON HANDLING OPTICAL FIBERS .

Unlock plug connections (1) and (2) and disconnect. Unfasten antenna plug (3) and disconnect.

Installation:

Observe color coding of antenna plugs (3).

Release nuts (4) and remove telematics control unit (5).

Fig 1: View Of Telematics Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding. Refer to DIAGNOSIS PROGRAMMING/CODING .