There are four (4) wheel speed sensors
Bluewater328,
There are total of four wheel speed sensors. Each wheel has one so that the ABS, DSC and the xDrive can function. On my 325xi the front sensors are
34526764858 and the rear are 34526764859.
Look on the RealOEM.com website in the Front and Rear suspension areas.
I think my sensors are ok as I don’t get a fault on my dash. I think that the cogs(teeth) get gummed up and do not register all of the cogs. Finding the bad wheel(s).is what I am trying to do.
Wallyf
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