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.
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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.
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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.
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Fig. 29: Disconnecting Plug Connection
Press lock and open clamp in direction of arrow.
Disconnect plug connection.
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Fig. 30: Pressing Lock And Open Clip
Open clip in direction of arrow and disconnect plug connection in direction of arrow.
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Fig. 31: Disconnecting Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 32: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 33: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 34: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 35: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 36: Pressing Lock And Disconnect Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 37: Pressing Lock And Disconnect Plug Connection
Press the lock and detach plug connection.
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Fig. 38: Pressing Lock And Detaching Plug Connection
Press the lock and detach plug connection.
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Fig. 39: Pressing Lock And Detaching Plug Connection
Press the lock on both sides and detach plug connection.
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Fig. 40: Pressing Lock And Detaching Plug Connection
Press the lock and detach plug connection.
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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:
Adjusting Camshaft Timing On Right Side (N63)
Notes
IMPORTANT: Release central bolts on adjuster only with special tool 11 9
890.
Risk of damage to timing drive.
If special tool 11 9 890 can not be fitted, it is necessary when releasing the
central bolt to grip the hexagon head of the respective camshaft.
(cylinder bank 1 to 4)
Necessary pre
Opening Adhesive Bonds
1. Opening spot-weld bonds
OPEN WELD SPOTS.
WARNING: Extract vapors and gases.
Use personal protective clothing/equipment.
Heat connecting flange with a hot-air blower. Heat components to max. 250ºC
object temperature.
Release connection flange with chisel.
Remove adhesive residue from connecti
