ABS lights

Tiny
DMYERS
  • BMW 525

BWW 523se auto 90,000 2.3. Year 1999
ABS light stays on. Car was wired up to a diagnostic
machine which gives general readings:ie, sensor problems,
so replaced wheel sensors. No result. Maybe BMW may know what problem is, but I refuse to pay my months salary to find answer. Do you have answers?

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Wednesday, September 26th, 2007 AT 8:36 AM

1 Reply

Tiny
DR. HAGERTY
  • EXPERT
  • 9,741 POSTS

When a "DSC" or "ASC" issue exists with the E-39 it is almost never the sensors.
First question is what is the production date?
There are several "repair kits" for the anti lock system.
The BMW part # is 34-52-6-752-740 for a DSC unit
and 34-52-6-750-347 for an ASC unit
of course this is dependent on the VIN
the repair module will need to be coded to the car

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Wednesday, September 26th, 2007 AT 11:08 AM

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