BMW 7 Series: Mechanical/Hydraulic Components
REMOVING AND INSTALLING/REPLACING DSC HYDRAULIC UNIT
Necessary preliminary work
- Read and comply with GENERAL INFORMATION.
- Remove front left rear WHEEL ARCH PANEL
- Remove left UNDERBODY PANELLING
After completing work:
- BLEED BRAKE SYSTEM
IMPORTANT: Do not mix up brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connecting bores with seal plugs.
Press brake pedal down to floor and secure with pedal support.
NOTE: The brake pedal may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank when the brake lines are opened.
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Fig. 146: Pressing Brake Pedal Down
Cut open cable strap (1).
Replace cable straps.
Remove foam block (2).
Lever out penetration (3) and pull out towards front.
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Fig. 147: Identifying Foam Block, Open Cable Straps And Cable Straps
IMPORTANT: Do not bend brake lines.
Grip at square head (1) and release brake lines (2).
Tightening torque 34 32 1AZ.
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Fig. 148: Identifying Square Head And Brake Lines
Unfasten brake lines (1).
Installation note: Tightening torque 34 32 1AZ.
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Fig. 149: Identifying Brake Lines
Disconnect plug connection (1).
Unfasten screws (2).
Installation note: Tightening torque 34 51 5AZ.
Remove hydraulic unit (3) towards bottom.
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Fig. 150: Identifying Plug Connection, Screws And Hydraulic Unit
Replacement: Unclip brake lines (1) from holder (2).
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Fig. 151: Identifying Brake Lines And Holder
Unfasten brake lines (1).
Installation note: Tightening torque 34 32 1AZ.
Unfasten screws (2). Take off holder (3).
Installation note: Tightening torque 34 51 4AZ.
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Fig. 152: Identifying Brake Lines, Screws And Holder
When replacing control unit
- Carry out programming/encoding
READ NEXT:
Electronic Components
OVERVIEW OF ELECTRONIC COMPONENTS
Fig. 153: Overview Of Electronic Components
Pulse generator
Brake pad wear sensor
ICM control unit
DSC control unit
REMOVING AND INSTALLING/RENEWING ICM CONT
Replacing A Rear Pulse Sensor
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD protection).
Necessary preliminary tasks
Remove rear WHEEL
Read and comply with GENERAL INFORMATION.
Open hous
Special Tools
Brakes
DEVICE
Device MW
Note: (Bending device) For brake lines
Storage Location
A3
Fig. 1: Identifying Device (345100)
DEVICE
Device MW
NOTE: For turning back brake piston when fitting new brake pads
SEE MORE:
Reinforcement Plate (Bonded)
In the case of a partial replacement piece, a body component is cut at a
point described in the repair instructions.
A reinforcement plate is bonded in to ensure sufficient strength.
Observe notes on REPAIR STAGE 2.
NOTE: The following graphics serve as general illustrations of
reinforcement plat
Evasion Assistant- Warning with evasion support
Display in the instrument cluster
A warning symbol appears in the instrument
cluster and in the Head-up Display if a collision
with a detected vehicle is imminent.
Symbol /Measure
Symbol lights up red: prewarning.
Brake and increase distance.
Symbol flashes red and an
acoustic
signal sounds: acute
