Question about 1998 BMW M3

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I have a 1998 M3 the car hasn?t been started in about a month. When I started it the ASC, ABS, and Check Engine lights are on. What could have caused that?

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Have you tried driving it this usually clears faults
Also when stopped /engine running,turn steering lock to lock
If any warning lights are still on,take it to local auto electrician who will reset

Posted on May 09, 2010

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Posted on Jan 02, 2017

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1 Answer

Location of the asc module on 1997 bmw


Sorry for the non-answer, but it occurs to me that the reason that I don't know where the module is located is because I have never heard of one failing.
Common failures in the ASC system include different sized tires or physical damage to the speed sensors at the wheels, or to their leads (this generally causes both the ASC and ABS lights to illuminate). Another common problem is failure of the ASC throttle body or actuator. Make sure that the hose clamp screw on the throttle body rubber boot is not interfering with the motion of the arm on the ASC throttle. That screw has to be on the side of the boot, not on top.

Aug 21, 2011 | 1997 BMW M3

1 Answer

Brake light, abs ligth and stabilizer ligth


could be the abs/asc controller, on the abs side could be a bad abs pump.
for the asc could be wheel sensors...but I bet its a wet ecu again...

read the note below about a 99 m3 E36

the ecu compartment is under the windshield on the passenger side on E36

you gain acess to it under the hood....
this compartment gets wet, the ecu lays on a flat surface in that
compartment.

the bottom side of the circuit board gets wet and starts corrosion.

remove the ecu, take the bottom plate off, clean the bottom of the circuit
board with alcohol and a soft tooth brush.

you should be able to see the signs of corrosion or conductive build up.

this gunk bridges solder points doing all sort s of wierd things to your
car, including false sensor readings from asc/abs controllers and other
sensors....

all the way to engine failure and worst case burnt and shorted wiring
harness.

I'm on my 3rd ecu, took me and the repair boys a few years to figure this
one out.

BTW: i would get that ecu mounted above that flat surface, use some sort
of standoff to raise it so that it is not laying in the wet.

Jan 09, 2010 | 2001 BMW 325

2 Answers

Can't find in manual "ASC' trouble


ASC is short for "automatic stability control" u will need to have the ABS/Traction control system tested by the dealer for a possiable fault code.

Sep 09, 2009 | 1998 Jaguar XK8

1 Answer

ASC & ABS light on cluster


Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the traction of the car if not fixed it can effect your rev limiter slowing performance

Jul 09, 2009 | 1999 BMW 318 ti

2 Answers

My DSC and Brake warning lamps continuously light up in yellow once the engine has warmed up. They remain on after driving for a while and sometimes they shut off. Any ideas?


Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the car

Jul 09, 2009 | 2001 BMW 325

1 Answer

I have 1998 bmw 528i, the problem is when the ASC light come on, the automatic transmission won't go into gear. and this only happen in low gears


Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the traction of the car if not fixed it can affect your rev limiter and slow performance

Jul 09, 2009 | 1998 BMW 5 Series

1 Answer

ABS and ASC warning lights stay on 2000 530d


Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the car

Jul 06, 2009 | 1999 BMW 5 Series

1 Answer

Bmw 520i 1999 abs/asc lights on diagnostic


Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the car

Jul 05, 2009 | 1999 BMW 323 Series

1 Answer

Asc light comes on and engine cuts out


When your ASC light is on this is to let you know your Automatic Stability Control system is switched off press the ASC button Till light is off /ASC is on this works with your rev limiter and should stabilized your idle. If the problem persists have your throttle control unit checked as thi can trigger the ASC light as well and may also activate the ABS light if not fixed

Nov 11, 2008 | 1997 BMW 318

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