RE:<E30> M3 ABS light on - advice?

["Chief Goblin" <chief_goblin@xxxxxxxxxxx>]

I had similar problem with my E36. Look for the bad connection between 
the sensor cable and the cable that goes to the ABS box. However, most 
likely your ABS sensor broke. That would occur if the guy who balanced 
you wheels, accidently hit the sensor with something heavy (Like a 
monkey Wrench, for example). To find out, which sensor is defective, you 
need to check the resistance of the sensors, the resistance needs to be 
approximately 1K Ohm. If the resistance is different. Either, 
significatly higher or lower, the sensor is defective and needs 
replacement. For E36, those sensors go for $95, but for E30 the price is 
probably different. Check front sensors first, probably one of them is 
defective.

Mike
94' 325IS


>From: "Mark Sussman, Ph.D." <sussman@domain.elided>
>Subject: <E30> M3 ABS light on - advice?
>
>I had my wheels balanced on Sunday and this morning the ABS warning 
>light on
>the dashborad cluster comes on when the car speeds up over 40-45 mph. 
>I assume the idiot who worked on the wheels must have boinked off the 
>sensor to the hub. Before I go pull off the wheel to check his work, 
>I'd appreciate suggestions as to what I'm looking for and problem 
>areas.
>
>It's getting to the point where I either do the work on the car >myself 
or spend the same amount of time fixing what somebody else >screwed up.
>
>TIA -
>
>Mark



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