61 35 250 Removing and installing control unit for left electric-motor-driven retractor

2011 BMW Alpina B7LxSECTION 61 35 250 Removing and installing control unit for left electric-motor-driven retractor
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD PROTECTION)Β .

Necessary preliminary workΒ 

Version with electric motor retractor:Β 

Release screws (1).

Installation note:Β 

Replace screws.

Tightening torque 72 11 01AZ .

Unlock automatic reel (2) and remove from B-pillar.

Fig 1: Identifying Automatic Reel And Screws
G06895098Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:Β 

Retractor mechanism is coded against incorrect assembly.

Unfasten plug connection (1) and disconnect.

Lay seat belt to one side.

Fig 2: Identifying Plug Connection
G06895099Courtesy of BMW OF NORTH AMERICA, INC.

Slacken screws (1)

Raise control unit (2) at screws slightly.

Feed control unit (2) in direction of arrow out of B-pillar.

Fig 3: Removing Control Unit Out Of B-Pillar
G06895100Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Remove control unit (2).

Fig 4: Identifying Control Unit And Plug Connections
G06895101Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.