Necessary preliminary work
IMPORTANT: The following work must only be carried of ISID diagnosis system with software version 02.21 or later.
Delete fault memory.
Check function of actuator unit.
If actuator unit is defective, set BMW diagnosis workshop mode.
Open tailgate.
Fold back luggage compartment floor trim panel (1) as pictured.
Release plastic nuts (2).
Remove luggage compartment floor trim panel (1) in direction of arrow.
Fig. 124: Identifying Luggage Compartment Floor Trim Panel And Plastic Nuts
Cable for emergency release (1) must be removed with actuator unit.
Press both retaining lugs together and press cable for emergency release (1) downwards.
Fig. 125: Identifying Cable For Emergency Release
Release screw (1) and remove spring clip (2) on left and right.
Installation note:
Tightening torque 34 41 1AZ.
Fig. 126: Identifying Screw And Spring Clip
Disengage parking brake Bowden cable (1) from holder (2) on right and left.
Fig. 127: Identifying Parking Brake Bowden Cable And Holder
Fig. 128: Identifying Screwdriver And Brake Shoe Expander
F01/F02/F03/F04 only
Turn brake disc into position as illustrated (arrow).
Position screwdriver (1) on brake shoe expander (2) as illustrated.
NOTE: For greater clarity, illustration does not show brake disc.
Fig. 129: Identifying Nipple, Screwdriver And Brake Shoe Expander
Pull up parking brake Bowden cable behind wheel carrier towards brake shoe expander (2) as far as it will go and hold in position.
At the same time, use a standard screwdriver (3) to press nipple (1) in brake shoe expander (2) downwards as far as possible.
Screwdriver: shank length 40 mm, blade width 4 mm Pull parking brake Bowden cable out of wheel carrier.
NOTE: Bowden cable must not be pulled out before the nipple (1) is pushed down.
Fig. 130: Identifying Screwdriver And Brake Shoe Expander
F07 only
Turn brake disc into position as illustrated (arrow).
Position screwdriver (1) on brake shoe expander (2) as illustrated.
NOTE: For greater clarity, illustration does not show brake disc.
Pull up parking brake Bowden cable behind wheel carrier towards brake shoe expander (2) as far as it will go and hold in position.
At the same time, use a standard screwdriver (3) to press nipple (1) in brake shoe expander (2) to the left as far as possible.
Fig. 131: Identifying Nipple, Screwdriver And Brake Shoe Expander
Screwdriver: shank length 40 mm, blade width 4 mm Pull parking brake Bowden cable out of wheel carrier.
NOTE: Bowden cable must not be pulled out before the nipple (1) is pushed away.
Installation note: Grease nipple of parking brake Bowden cable with assembly paste (part number 81 22 9 407 171).
Obtainable from BMW Parts Department.
Feed parking brake Bowden cable horizontally into brake anchor plate/brake guard plate. Sleeve must be inserted up to stop.
Nipple of parking brake Bowden cable must audibly snap into place in brake shoe expander.
Disconnect plug connection (1).
Release screw (2).
Installation note: Tightening torque 34 41 3AZ.
Disengage actuator unit (3) in direction of arrow and remove.
Fig. 132: Identifying Plug Connection, Actuator Unit And Screw
Vehicles with HSR and Dynamic Drive: RELEASE DYNAMIC DRIVE STABILIZER on rear axle support (removal not necessary).
Slide holder with parking brake actuator unit (2) to the point where screws (1) can be released.
Installation note: Tightening torque 34 41 4AZ.
Detach actuator unit from holder (2).
Fig. 133: Identifying Screws And Parking Brake Actuator Unit
IMPORTANT: Do not kink parking Bowden cable.
Feed through left parking Bowden cable (1) between left rear silencer and rear axle support.
Fig. 134: Identifying Parking Bowden Cable
If necessary, release bracket from left rear silencer and gently pull rear silencer downwards.
Feed out parking brake actuator unit (1) between left rear silencer and rear axle support.
Fig. 135: Identifying Parking Brake Actuator Unit
After installation
Replacement