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      08-30-2023, 03:35 PM   #1
infinitenexus
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Drives: BMW 328xi
Join Date: Jun 2022
Location: Cleveland

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Trifecta of error lights, but only after driving about 300 feet, speed sensor related

So, I have the trifecta of error lights, 4x4, brake, traction control. I got the error codes (don't remember them off the top of my head, I can grab them tomorrow) and the codes pointed to a wheel speed sensor error. I've replaced 3 of them so far and the lights persist. After reading a few threads, I think it's something else.

What's most notable about my error lights is that they don't turn on until I've driven 100-200 yards or so, and about once every other week I'll go error free for several miles, then the 4x4 and traction control lights will turn on and off a few times, then finally all three lights will turn on.

I live in Cleveland, the rust capital of the universe, and I've read there's a ring beneath the speed sensor that can get corroded. Think maybe it's something like that?
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