BMW 7 Series: Replacing Wiring Harness In Left Or Right Front Door
IMPORTANT: Read and comply with notes on HANDLING WIRING HARNESSES and cables.
Necessary preliminary work
- Close front side window completely
- Disconnect BATTERY CABLE
- Remove SOUND INSULATION IN FRONT DOOR
- Remove LEFT-HAND OUTER DOOR HANDLE ON FRONT DOOR.
Unlock plug connections (1) and disconnect.
If necessary, unlock and disconnect Soft Close plug connection.
Unclip door wiring harness (2) at points (3).
Feed out door wiring harness (2).
Installation note: Make sure door wiring harness (2) is correctly laid.
.png)
Fig. 27: Identifying Plug Connections And Points Of Door Wiring Harness
NOTE: Front side wall shown removed for purposes of clarity.
Release screw (1), fold door wiring harness connector on A-pillar (2) downwards slightly and remove.
Unlock plug connection behind and disconnect.
Pull rubber grommet (3) in direction of arrow out of front door (4).
Feed out door wiring harness towards front to A-pillar and remove.
.png)
Fig. 28: Pulling Rubber Grommet
UNLOCKING AND DISCONNECTING DIFFERENT PLUG CONNECTIONS
NOTE: Examples of unlocking and disconnecting different plug connections.
Press lock and open clamp in direction of arrow.
Disconnect plug connection.
.png)
Fig. 29: Disconnecting Plug Connection
Press lock and open clamp in direction of arrow.
Disconnect plug connection.
.png)
Fig. 30: Pressing Lock And Open Clip
Open clip in direction of arrow and disconnect plug connection in direction of arrow.
.png)
Fig. 31: Disconnecting Plug Connection
Press lock and disconnect plug connection in direction of arrow.
.png)
Fig. 32: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
.png)
Fig. 33: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
.png)
Fig. 34: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
.png)
Fig. 35: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
.png)
Fig. 36: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
.png)
Fig. 37: Pressing Lock And Disconnect Plug Connection
Press the lock and detach plug connection.
.png)
Fig. 38: Pressing Lock And Detaching Plug Connection
Press the lock and detach plug connection.
.png)
Fig. 39: Pressing Lock And Detaching Plug Connection
Press the lock on both sides and detach plug connection.
.png)
Fig. 40: Pressing Lock And Detaching Plug Connection
Press the lock and detach plug connection.
.png)
Fig. 41: Pressing Lock And Detaching Plug Connection
READ NEXT:
Butt Connector For Repairing A Plug Connection
Notes
IMPORTANT:
1. Identify cause of damage (e.g. sharp-edged body parts, faulty
electrical
loads, jammed mechanisms, corrosion caused by ingress of water, etc.).
2. Read out fault memory.
3. Elim
Circular Connector, 7-Pin, 8-Pin, System D2.5
Notes
Carefully pull off rubber grommet (1).
Carefully press back retaining lugs (2) of internal connector (3).
Fig. 52: Pressing Back Retaining Lugs Of Internal Connector
Slide internal connector (
SEE MORE:
Vehicle battery
General information
The battery is maintenance-free.
More information about the battery can be requested
from a dealer's service center or another
qualified service center or repair shop.
Safety information
Warning
Vehicle batteries that are not compatible can
damage vehicle systems and impair vehi
System Components
Controls and Control Units
Controls
The controls for the seat functions are connected depending on the seat
equipment. The controls are:
Seat-adjustment switches
Lumbar support switch
Memory buttons
Active-seat button
Active seat ventilation button
Massage function button.
Refer to the foll
