BMW X5: Adjusting Parking Brake
The parking brake test must be carried out on the roller dynamometer as follows.
Release position (engine off / ignition on ):
- Wheel circumferential force right / left < or = 300 N.
Press parking brake button (engine off / ignition on ):
- Car must be pulled uniformly out of brake roller or drive of brake roller is deactivated on both sides.
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Fig. 83: Identifying Front Brakes Actuating And Warning Devices
NOTE: Accurate adjustment of the parking brake is only possible if the handbrake Bowden cables and all moving parts on the handbrake move easily and function correctly.
Basic setting of the parking brake is required whenever:
- After replacing brake shoes
- Brake discs are replaced
1. Adjustment specification for brake shoes
Release parking brake (switch on centre console).
Completely unscrew one wheel stud on each rear wheel.
Installation:
Install and tighten wheel bolt.
Tightening torque, 36 10 1AZ.
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Fig. 84: Locating Wheel Bolt
Turn adjusting screw with a screwdriver until it is no longer possible to turn the wheel.
Then unfasten the adjusting screw 10 notches.
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Fig. 85: Turning Adjusting Screw With Screwdriver
2. Braking in duo-servo parking brake
2.1 On roller dynamometer:
2.1.1 Call up braking-in program via diagnosis interface using DIS diagnosis system.
(Parking brake indicator lamp in instrument cluster flashes at low frequency)
2.1.2 Drive vehicle onto roller dynamometer and pull parking brake button once.
2.1.3 Parking brake is applied at approx. 15 km/h with reduced force.
(Parking brake indicator lamp in instrument cluster flashes at high frequency)
2.1.4 Braking-in procedure takes 3 minutes.
2.1.5 Braking-in procedure can be terminated by pressing the parking brake button.
2.1.6 Now clear the fault memory.
2.2 When road driving (if possible on company property or an unused road):
2.2.1 Call up braking-in program via diagnosis interface using DIS diagnosis system.
(Parking brake indicator lamp in instrument cluster flashes at low frequency) 2.2.2 Pull parking brake button once.
Increase driving speed to 15 km/h, braking-in distance is 400 metres.
2.2.3 Parking brake is applied with reduced force.
(Parking brake indicator lamp in instrument cluster flashes at high frequency) 2.2.4 Braking-in procedure can be terminated by pressing the parking brake button.
2.2.6 Now clear the fault memory.
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Fig. 86: Display Of Parking Brake Function
READ NEXT:
Removing And Installing/Replacing All Handbrake Shoes
Special tools required:
34 4 000.
Installation:
Remove rear brake disc.
Release electromechanical parking brake (EMF).
After completing tasks, adjust handbrake.
Disconnect return springs (1)
Removing And Installing/Replacing Actuating Unit With Control Unit
For Parking Brake (EMF)
Necessary preliminary tasks:
Remove both brake discs.
Set workshop mode in BMW diagnosis system.
Path:
Function selection
Service functions
Chassis
Parking brake
Workshop mode
NOTE
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.
SEE MORE:
Performing Vertical Acceleration Sensor Adjustment (Vertical
Dynamics Management)
NOTE: Vertical acceleration sensor adjustment must be performed after
replacement of
the spring strut/shock absorber with damper satellites.
Connect vehicle to BMW diagnosis system.
Select and perform vertical acceleration sensor adjustment under Service
functions.
NOTES ON AIR SPRING SYSTEM
Comp
Head-up Display
Principle
The Head-up display projects important information
in the driver's field of view, for instance the
speed.
The driver can get information without averting
his or her eyes from the road.
General information
Follow the information on cleaning the Head-up
Display.
Overview
Turning on/off
1.
