61 12 187 Replacing Wiring Harness On Function Carrier On Left Or Right Rear Door

Overview of function carrier components without roller sun blind: 

1. Control unit, rear door (door module)
2. Light module (build date up to 09/2004)
3. Bowden cable
4. Speaker
5. Wiring harness, function carrier
6. Quick-release coupling grey 1.8 mm

   Quick-release coupling white 0.8 mm

   Fig 1: Identifying Wiring Harness On Function Carrier And Rear Door Components

   Courtesy of BMW OF NORTH AMERICA, INC.

Overview of function carrier components with roller sun blind: 

1. Control unit, rear door (door module)
2. Light module (build date up to 09/2004)
3. Bowden cable
4. Speaker
5. Wiring harness, function carrier
6. Roller sun blind module
7. Quick-release coupling grey 1.8 mm

   Quick-release coupling white 0.8 mm

   Fig 2: Identifying Function Carrier Components

   Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks: 

• Remove function carrier in rear door  . See 51 22 035 REMOVING AND INSTALLING FUNCTION CARRIER (WITHOUT ROLLER SUN BLIND) ON LEFT OR RIGHT REAR DOOR .
• Remove control unit for rear door  . See 61 35 224 REMOVING AND INSTALLING (REPLACING) CONTROL UNIT FOR LEFT OR RIGHT REAR DOOR .
• Remove speaker  . See 65 13 090 REMOVING AND INSTALLING/REPLACING SPEAKER (MID-RANGE SPEAKER, DOOR AT REAR) .

With roller sun blind only: 

• Remove roller sun blind module  . See 51 16 405 REMOVING AND INSTALLING/REPLACING ROLLER SUN BLIND ON SIDE WINDOW OF LEFT OR RIGHT REAR DOOR .

Unclip wiring harness.

Fig 3: Identifying Wiring Harness

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Feed out rubber grommet (2) with wiring harness.

Fig 4: Identifying Screws, Rubber Grommet And Wiring Harness

Courtesy of BMW OF NORTH AMERICA, INC.