BMW 7 Series: 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 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. 82: Pressing Clutch Pedal Down
IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.
Disconnect brake hose from brake line (1).
Installation:
Tightening torque 34 32 1AZ.
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Fig. 83: Identifying Brake Hose And Brake Line
Detach brake hose (1) from brake caliper.
Installation: Tightening torque 34 32 3AZ.
IMPORTANT: Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.
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Fig. 84: Identifying Brake Hose
NOTE: First tighten brake hose on brake caliper.
If necessary, remove BRAKE PAD WEAR SENSOR.
Lift out retaining spring (1).
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Fig. 85: Identifying Retaining Spring
Remove cover plug (1).
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Fig. 86: Identifying Cover Plug
Unscrew guide bolts (1).
Withdraw brake caliper backwards.
Installation: Tightening torque 34 21 4AZ.
Clean guide screws only; do not grease.
Check threads.
Replace all guide screws which are not in perfect condition.
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Fig. 87: Identifying Guide Bolts
IMPORTANT: Mark any worn brake pads.
In the event of one-sided brake pad wear, do not change brake pads round.
Remove brake pads in direction of arrow.
If necessary, clean BRAKE CALIPER AND PADS.
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Fig. 88: Removing Brake Pads
READ NEXT:
Master Brake Cylinder
OVERVIEW OF BRAKE MASTER CYLINDER/BRAKE BOOSTER
Fig. 89: Overview Of Brake Master Cylinder
Brake booster
Expansion tank
Vacuum hose
Brake master cylinder
Bleed braking system
REMOVING AND INST
Brake Lines
OVERVIEW OF BRAKE LINES
Fig. 94: Overview Of Brake Lines
Brake hose, front
Brake tubes
Brake hose, rear
REPLACING ALL BRAKE PIPES
Notes
NOTE: The brake lines are only supplied in the straight ve
Brake Booster
REMOVING AND INSTALLING OR REPLACING BRAKE BOOSTER
Necessary preliminary tasks
Read and comply with GENERAL INFORMATION
Remove rear left DOME CROSS-BRACE
Remove left footwell trim
On vehicles w
SEE MORE:
Mobility System- Checking and adjusting the tire
inflation pressure
Checking
Switch off the compressor.
Read the tire inflation pressure on the tire
pressure gage.
To continue the trip, a tire inflation pressure of at
least 2 bar must be reached.
Removing and stowing the sealant
container
Unscrew the filling hose of the sealant container
from the tire
Follow Notes On Handling Led Lights (High-Performance Led)
WARNING: All LEDs with visible light have a certain secondary risk
potential due to
their dazzling effect:
If possible, do not look directly into the LED radiation without eye
protection - and above all not for extended periods.
After looking into bright LED sources, temporary visual impairment an
