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:
Stripping Operations - Replacing Rear Left Side Panel
NOTE: Owing to the different engine variants and equipment specifications,
not all the
components are taken into consideration.
The following list basically represents the removal sequence.
Clamp off battery negative lead (job number: 6120 900)
Remove bumper trim (job number: 5112156)
Remove bu
Lane Change Warning
REMOVING AND INSTALLING/REPLACING SENSOR FOR LANE CHANGE WARNING
(HC2 SENSOR) ON LEFT OR RIGHT
Necessary preliminary work
Remove REAR BUMPER TRIM
Disconnect plug connection (1).
Unfasten screws (2).
Remove HC2 sensor (3).
Fig. 21: Identifying HC2 Sensor And Plug Connection With Screws
IMPORTAN
