E39 intermittent ABS Light

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Larry - 02 Feb 2007 05:55 GMT

1997 528i with 93K miles. ABS lights lit up and stayed for about a week.
After I scheduled a repair, the lights went out, so I cancelled the repair.
Lights out for two weeks or so and came back on for a week and then went off
again. Any ideas what's going on?

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Andrew Morton - 02 Feb 2007 09:24 GMT

> 1997 528i with 93K miles. ABS lights lit up and stayed for about a
> week. After I scheduled a repair, the lights went out, so I cancelled
> the repair. Lights out for two weeks or so and came back on for a
> week and then went off again. Any ideas what's going on?

You need to keep promising it you'll get it repaired, a bit like waving a
large instruction manual at a computer can make it work again :-)

Maybe there's dirt around a wheel speed sensor.

Andrew

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Spack - 02 Feb 2007 14:17 GMT

Larry wrote on Thu, 1 Feb 2007 22:55:19 -0700:

> 1997 528i with 93K miles. ABS lights lit up and stayed for about a week.
> After I scheduled a repair, the lights went out, so I cancelled the
> repair. Lights out for two weeks or so and came back on for a week and
> then went off again. Any ideas what's going on?

As well as checking the wheel sensors, have you checked the ABS relays (on
my E36 they're in the fuse box under the bonnet/hood). I had my ABS light
popping on from time to time over a couple of days, scheduled it to get
looked at by a mechanic, and when checking for a blown fuse on my windscreen
washer pump noticed that the gray ABS relay was loose - pushed it down
properly and it locked back in, and the ABS light hasn't been on since :)

Dan

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