34 41 135 Replacing both Bowden cables for parking brake

Necessary preliminary tasks: 

• Remove actuating unit with control unit for parking brake 

Bowden cable, left: Release union nut (1).

Fig 1: Release Union Nut (1)

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Installation: Tightening torque 34 41 5AZ.

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

Fig 2: Pull Bowden Cable (1) Out Of Actuator Unit (2)

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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: Insert Spindle (1) 3 Turns Into Inner Spline Shaft Of Actuator Unit (2)

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Bowden cable, right: Release union nut (1). Installation: Tightening torque 34 41 5AZ.

Fig 4: Release Union Nut (1)

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

Fig 5: Pull Bowden Cable (1) Out Of Actuator Unit (2)

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

Fig 6: Unlock Locking Sleeve (1)

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Snap out coupling (1) in direction of arrow.

Fig 7: Snap Out Coupling (1) In Direction Of Arrow

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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