Downloaded from www.Manualslib.com manuals search engine 
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.