BMW X5: Mechanical-Hydraulic
REMOVING AND INSTALLING OR REPLACING DSC HYDRAULIC UNIT
Necessary preliminary tasks:
- Read and comply with General Information.
- Extract brake fluid
NOTE: Extract brake fluid out of expansion tank. Use a suction bottle
used exclusively
for drawing off brake fluid.
Do not reuse drawn out brake fluid.
After completing work:
IMPORTANT: Do not mix up brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connection bores with plugs.
Disconnect plug connection (1).
Unfasten brake lines (2).
Tightening torque 34 32 1AZ.
If necessary, release brake lines from holder on bulkhead.
Unscrew bolt (3).
Tightening torque 34 51 6AZ.
Pull hydraulic control unit with holder out of guide pins (4) and remove.
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Fig. 96: Identifying Brake Lines And Plug Connection
When replacing hydraulic unit:
Release screws (1) and convert holder (2).
Installation:
Tightening torque 34 51 5AZ.
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Fig. 97: Identifying Convert Holder And Screw
When replacing control unit:
- Carry out programming/coding.
- Adjustment of steering angle sensor.
- Mix-up check of brake lines.
- Function check, hydraulic unit.
READ NEXT:
IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If a brake lining sensor that has already been
Fig. 103: Identifying Electronic Components
DSC control unit
Rotation rate sensor
Brake-pad-wear sensor
Pulse generator
REMOVING AND INSTALLING / REPLACING DSC CONTROL UNIT
IMPORTANT: Read and
SEE MORE:
GENERAL FUNCTION DESCRIPTION FOR FUEL SUPPLY SYSTEMS
Fuel supply systems, spark-ignition engines
Fuel system
The electric fuel pump in the fuel tank generates the pressure in the fuel
system which is set by the pressure
regulator to a specific level.
Tank venting system
The tank venting system is a
REPLACING FRONT LEFT OR RIGHT SPRING STRUT SUPPORT BEARING
Special tools required:
31 3 341
31 3 351
31 3 353
WARNING: Observe the following instructions to avoid any risk of injury
by the coil
springs.
Prior to each use, check the special tools for defects,
modifications
and operational