(1 999 - 2002 Models); Abs Dsc Control Module; Models) - BMW 5251 Service Manual

340-31
Brakes
ABS
1
traction electronic control module
(1 997 -1 998 models)
4
The traction control electronic control module in 1997- 1998
models is located to the left of the glove compartment.
NOTE-
In both ASC and early DSC systems this location is used for
the electronic control unit.
-
Before removing the traction control electronic module, read
any fault codes in memory.
ABS
I
DSC control module
(1 999
-
2002 models)
The DSC electronic control unit in 1999 and later models
(from 911998) is bolted to the DSC hydraulic unit in the right
rear of the engine compartment.
-
Before removing the traction control electronic module, read
any fault codes in memory.
-
Install electronic control unit using new screws.
Tightening torque
DSC
electronic control unit
to 2.9
Nrn
(26
in-lb)
hydraulic unit (use new screws)
-
Code newly installed module using either DIS or MoDiC.
-
Adjust steering angle sensor using menu item Service func-
tion in DIS or MoDiC.
ABS
I
traction control hydraulic unit,
removing and installing
WARNING
-
E39 cars require special BMWsewice equipment to properly
bleed the brakes. Removal of the hydraulic unit is not recom-
mended unless this equipment is available. For safety rea-
sons, the brake system on cars with ABS must be bled using
the procedures described in this repair group.
NOTE-
Before starting this procedure, read control module mem-
ory and print out diagnostic record.
DSC system: Adjust steering angle sensor using either
DISplus, GTI, or MoDiC. After completing work, function
test control module.