34 11 519 Removing and installing/replacing left or right front brake caliper

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Necessary preliminary work:

REMOVE WHEEL
Read and comply with GENERAL INFORMATION .

After completing repair work: BLEED BRAKE SYSTEM .

Press brake pedal down to floor and secure with pedal support.

NOTE:

The pedal support may only be released when the brake lines are reconnected.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Pressing Brake Pedal Down

G06889954

Courtesy of BMW OF NORTH AMERICA, INC.

Release retaining screw (1).

Installation note:

Tightening torque 34 32 2AZ .

If necessary, grip at knurling (2).

IMPORTANT: Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.

If necessary, remove BRAKE PAD WEAR SENSOR .

Fig 2: Identifying Union Screw And Knurling

G06889955

Courtesy of BMW OF NORTH AMERICA, INC.

Lever out retaining spring (1) in direction of arrow towards rear.

Installation note:

Place retaining spring (1) first at top and bottom of brake caliper and then allow to engage in recess (2) of brake caliper housing.

Fig 3: Identifying Retaining Spring And Recess

G06889956

Courtesy of BMW OF NORTH AMERICA, INC.

Remove plastic plugs (1).

Fig 4: Identifying Plastic Plugs

G06889957

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew guide bolts (1).

Withdraw brake caliper backwards.

Installation note:

Only clean guide bolts; do not grease.

Check threads.

Replace all guide screws which are not in perfect condition.

Tightening torque 34 11 4AZ .

Fig 5: Identifying Guide Bolts

G06889958

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Mark any worn brake pads.

Remove brake pads in direction of arrow.

In the event of one-sided brake pad wear, do not change brake pads round.

If necessary, clean BRAKE CALIPER AND BRAKE PAD .

Fig 6: Removing Brake Pads

G06889959

Courtesy of BMW OF NORTH AMERICA, INC.

For equipment specification high-speed brake system:

IMPORTANT: Mark any worn brake pads.

Remove brake pads in direction of arrow.

In the event of one-sided brake pad wear, do not change brake pads round.

If necessary, clean BRAKE CALIPER AND BRAKE PAD .

Fig 7: Removing Brake Pads

G06889960

Courtesy of BMW OF NORTH AMERICA, INC.