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:
- Bleeding braking system
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:
Replacing A Brake Pad Sensor (Front)
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
Overview Of Electronic Components
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:
Air Management N52KP and N51
As far as the air management system on the N52KP and N51 engines is
concerned, the previous intake manifold
system on the N52 is carried over. Depending upon application, the engines will
use the 3-stage DISA or the
single stage (No DISA) intake manifold.
For more information on the DISA system r
Notifications
Principle
The menu centrally displays all notifications arriving
in the vehicle in form of a list.
General information
The following notifications can be displayed:
Traffic messages.
Check Control messages.
Messages on service notifications.
Communication messages, for example emails,
SMS text
