34 41 135 Replacing both Bowden cables for parking brake

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IMPORTANT: Read and comply with GENERAL INFORMATION .

Bowden cables may only be replaced in pairs.

Necessary preliminary tasks:

Remove ACTUATOR UNIT with control unit for parking brake.

Bowden cable, left:

Release union nut (1).

Fig 1: Identifying Bowden Cable Union Nut

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Installation:

Tightening torque 34 41 5AZ .

Pull Bowden cable (1) out of actuator unit (2).

Fig 2: Identifying Bowden Cable And Actuator Unit

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IMPORTANT: Make sure all parts are absolutely clean.

Turn spindle (1) out of actuator unit (2) and remove Bowden cable.

Installation:

Lubricate new spindle with grease provided.

Insert spindle (1) 3 turns into inner spline shaft of actuator unit (2).

Fig 3: Turning Spindle Out Of Actuator Unit

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Bowden cable, right:

Release union nut (1).

Installation:

Tightening torque 34 41 5AZ .

Fig 4: Identifying Bowden Cable Union Nut

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Pull Bowden cable (1) out of actuator unit (2).

Fig 5: Identifying Bowden Cable And Actuator Unit

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Unlock locking sleeve (1) and pull out of housing a little.

Fig 6: Identifying Locking Sleeve

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Snap out coupling (1) in direction of arrow.

Fig 7: Disconnecting Actuator Unit Coupling

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After installation:

Carry out initial operation/function test in BMW diagnosis system.
- Path
  - Function selection
  - Service functions
  - Chassis
  - Parking brake
  - Initial operation/function test