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E36 M3 (1995-1999)

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Old 04-22-2008, 06:24 PM
peterj02460 peterj02460 is offline
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Location: Newton, MA
Join Date: Mar 2008
Posts: 9
Mein Auto: 1997 M3
ASC light flashing-loss of power

When I am in fifth gear and I hit about 4,500 RPM's (90 MPH), the ASC light starts to flash, and I lose power. Anyone have an idea why this is happening? I have a 1997 e36 M3 with 78,000 miles, manual transmission.
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Old 04-23-2008, 10:54 AM
e30e e30e is offline
Search: Top right corner
Location: Tucson, Az
Join Date: Feb 2008
Posts: 1,127
Mein Auto: e36 m3/4
It happened to me in my 96 m3, I just pushed the button and went on with my day. After I got in an accident, I was pulling the rear suspension apart and the diff grease was like chocolate pudding. Might be time for a new diff fluids.
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Old 05-01-2008, 02:31 PM
Eotnak Eotnak is offline
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Location: Hamilton, NJ
Join Date: Apr 2008
Posts: 3
Mein Auto: 1997 M3
I'm going to take a guess and say it's the wheel speed sensor. It's picking up signal for gears 1-4 but as you go faster, the signal may be too weak to pick up at those wheel speeds. May just need a cleaning. Check for codes and see if I'm close or dead wrong
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Old 09-07-2010, 10:01 AM
Bimmersrus Bimmersrus is offline
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Location: St.Louis
Join Date: Jun 2010
Posts: 8
Mein Auto: Everything from 1's to M6
I am having this same problem,did you ever figure anything out?
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