BMW 7 Series: Removing And Installing/Replacing Left Or Right Front Brake Caliper
Necessary preliminary tasks
- REMOVE WHEEL
- Read and comply with GENERAL INFORMATION.
After completing work: replace fluid in brake system. Press clutch 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.
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Fig. 49: Pressing Clutch Pedal Down
Release union screw (1).
Installation: 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.
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Fig. 50: Identifying Union Screw And Knurling
Lever out retaining spring (1) in direction of arrow towards rear.
Installation: Place retaining spring (1) first at top and bottom of brake caliper and then allow to engage in recess (2) of brake caliper housing.
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Fig. 51: Identifying Retaining Spring And Recess
Remove plastic plugs (1).
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Fig. 52: Identifying Plastic Plugs
Unscrew guide bolts (1).
Withdraw brake caliper backwards.
Installation: Only clean guide bolts; do not grease.
Check threads.
Replace all guide screws which are not in perfect condition.
Tightening torque 34 11 4AZ.
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Fig. 53: Identifying Guide Bolts
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 PADS.
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Fig. 54: Removing Brake Pads
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 PADS.
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Fig. 55: Removing Brake Pads
REPLACING FRONT LEFT OR RIGHT BRAKE ANCHOR PLATE/GUARD PLATE
Necessary preliminary tasks
- Remove front BRAKE DISC
Release screws (1) and remove brake guard plate (2).
Installation note: Tightening torque 34 11 3AZ.
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Fig. 56: Identifying Screws And Brake Guard Plate
READ NEXT:
Rear Brakes
CHECKING BRAKE DISCS
Necessary preliminary tasks
Remove WHEELS.
Checking thickness difference:
Measure thickness difference within brake surfaces at 8 point (spread
over the circumference) with
Removing And Installing Or Replacing Both Rear Brake Discs
Necessary preliminary work
Remove WHEELS.
Remove and clean BRAKE PADS.
After completing repair work:
Adjust PARKING BRAKE (not F10F11F18F25)
Read and comply with notes on BRAKING IN NEW BRAKE D
Removing And Installing/Replacing Left Or Right Rear Brake
Caliper
Necessary preliminary tasks
Remove WHEEL
Read and comply with GENERAL INFORMATION.
After completing work: replace fluid in brake system.
Press clutch pedal down to floor and secure with pedal sup
SEE MORE:
Operating Fluids
1.0 GENERAL INFORMATION ON FINAL DRIVE OIL
Final Drive oil or hypoid gear lubricant must conform with the following
requirements because of the high
loads which occur on the profiles of the hypoid gear teeth:
Load carrying capacity.
Sufficient protection against seizure.
Good wear protection.
Notes On Handling Wiring Harnesses And Cables
The following applies in general
To avoid damage, observe the following instructions:
Avoid compressive and tensile loads
To ensure professional repairs, perform repair work only with
BMW-approved or recommended special
tools and spare parts
Make sure cables are laid without kinks or abrasion
