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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. 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) ..

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
Remove LUGGAGE COMPARTMENT TRIM ON SIDE PANEL ON RIGHT
Disconnect battery negative lead
Remove TRIM FOR INSTRUMENT PANEL, BOTTOM LEFT

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

Fig 1: Unclipping Pin From Shock Absorber

G04788527

Courtesy of BMW OF NORTH AMERICA, INC.

Open rotary clips (1) and remove.

Remove cover (2) in direction of arrow.

Fig 2: Removing Cover

G05504793

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Pull fuse holder (2) back slightly.

Fig 3: Pulling Fuse Holder

G05478696

Courtesy of BMW OF NORTH AMERICA, INC.

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 Device Carrier, Control Unit And Plug Connection

G04761674

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out PROGRAMMING/CODING .