61 35 950 Removing and installing (replacing) control unit for comfort access system

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrostatic discharge ( ESD protection ).

NOTE: The comfort access system is a radio-based system and can be interfered with by radio waves from other systems (e.g. mobile phone).

Necessary preliminary tasks:

Remove luggage compartment floor trim panel . See 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
Remove luggage compartment trim on side panel on right . See 51 47 220 REMOVING AND INSTALLING/REPLACING TRUNK TRIM PANEL ON RIGHT SIDE PANEL .
Disconnect battery negative lead
Remove trim for instrument panel, bottom left . See 51 45 181 REMOVING AND INSTALLING/REPLACING BOTTOM RIGHT TRIM FOR INSTRUMENT PANEL .

Unclip pin (1) from shock absorber (2).

Fig 1: Identifying Pin And Shock Absorber

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Open rotary clips (1) and remove.

Remove cover (2) in direction of arrow.

Fig 2: Identifying Rotary Clips And Cover

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Release screws (1).

Pull fuse holder (2) back slightly.

Fig 3: Identifying Fuse Holder And Screws

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Disconnect plug connection (1).

Unlock catch (2) in direction of arrow and remove control unit for comfort access system (3) from device carrier (4).

Installation:

Make sure control unit (3) is correctly seated in device carrier (4).

Fig 4: Identifying Plug Connection, Catch, Access System And Device Carrier

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Replacement:

Carry out programming/coding.