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Old 06-24-2019, 08:51 AM   #1
Mike36
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ABS light comes on after hitting a large bump

1991 325i

So the ABS light comes on after hitting a large bump. Turns off of restarting the car and stays off until I hit another large bump. Any ideas? Thanks in advance.
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Old 06-24-2019, 01:59 PM   #2
jbontke
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Check the ABS sensor plugs, most of the time the plastic connector is crumbling. The wires could be making contact with each other or the chassis ground.
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Old 06-24-2019, 11:05 PM   #3
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Quote:
Originally Posted by jbontke View Post
Check the ABS sensor plugs, most of the time the plastic connector is crumbling. The wires could be making contact with each other or the chassis ground.
Do you mean by the one in the engine bay or under the dash. I guess Ill check both.
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Old 06-24-2019, 11:29 PM   #4
e30davie
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I assume he means the sensor plugs on the wheels them selves. There are wheel speed sensors on each wheel.
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Old 06-25-2019, 10:33 AM   #5
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Originally Posted by e30davie View Post
I assume he means the sensor plugs on the wheels them selves. There are wheel speed sensors on each wheel.
Oh yeah, I just re-read his reply. I'll check each one this weekend.
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Old 06-26-2019, 06:08 PM   #6
cheffy30
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stop hitting large bumps.... ?

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Old 07-10-2019, 10:18 AM   #7
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stop hitting large bumps.... ?

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I try, trust me :/
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