61 35 950 Removing and installing (replacing) control unit for comfort access system
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.
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection). Refer to 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .
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. Refer to 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
- Remove luggage compartment trim on side panel on right. Refer to 51 47 220 REMOVING AND INSTALLING/REPLACING TRUNK TRIM PANEL ON RIGHT SIDE PANEL .
- Disconnect battery negative lead. Refer to 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
- Remove trim for instrument panel, bottom left. Refer to 51 45 181 REMOVING AND INSTALLING/REPLACING BOTTOM RIGHT TRIM FOR INSTRUMENT PANEL .
Unclip pin (1) from shock absorber (2).
Open rotary clips (1) and remove.
Remove cover (2) in direction of arrow.
Release screws (1).
Pull fuse holder (2) back slightly.
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).
Replacement:
Carry out programming/coding. Refer to DIAGNOSIS PROGRAMMING/CODING .