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Home >> BMW >> 2017 >> M3 Automatic DCT Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Parking Brake System >> Brakes - Repair (F80) >> 34 41 Parking Brake >> 34 41 120 Removing and installing/replacing both parking brake Bowden cables

34 41 120 Removing and installing/replacing both parking brake Bowden cables

Special tools required: 

Necessary preliminary work: 

NOTE: After completing repair work:

Lock adjustment unit (ASZE).

Actuate parking brake lever. Connect special tool 32 1 030. Press limit position (1) of adjusting spring back to such an extent that retaining hook (2) engages in limit position (1).

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Press retainer (1) in balance arm (2) forward in direction of arrow.

Detach parking brake Bowden cables (3) from balance arm (2).

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Release screw (1) and remove holder (2).

Installation note: 

Tightening torque: 34 41 2AZ .

G04726686Courtesy of BMW OF NORTH AMERICA, INC.

Release one wheel stud.

Bring wheel into position (threaded hole turned down approx. 20° from horizontal).

F = direction of travel

Installation note: 

Reinstall wheel stud only after handbrake has been adjusted.

Tightening torque: 36 10 1AZ .

G04726687Courtesy of BMW OF NORTH AMERICA, INC.

Nipple (1) and brake shoe expander lock (2) are visible through threaded hole.

Push in core of parking brake Bowden cable in direction of brake shoe expander to limit position and grip firmly.

Press nipple (1) downwards through threaded hole with a screwdriver.

Pull parking brake Bowden cables out of wheel carrier.

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Installation note: 

Insert parking brake Bowden cable 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 parking brake Bowden cables from holders (1).

Pull parking brake Bowden cables rearwards out of guide tube.

G04726689Courtesy of BMW OF NORTH AMERICA, INC.