ABS light on after winter storage?

[325is_MadBimmer]

So when i took my e30 out this summer the ABS light was on. When i put it away last winter it wasnt on.

I am guessing moisture had gotten in somewhere? I cleaned both the abs sensors and still nothing. any ideas?

i have the same exact car in the driveway (89 325is) for parts. can i try swapping something out?

[MikeE30325i]

hhhmm i have no idea, but good luck....

[Rocla]

did you clean sensor heads AND the wiring plugs?

My first check step would be the abs main relay, then the abs control unit. Both relay and CU are located under the dashboard drivers side. That is quite easy when you have test parts from working similiar car.

Then test the sensors, disconnect each sensors wire from car loom at the time and connect a digital ohm meter to sensor wire, spin the hub and resistance should vary as the hub spins.

[325is_MadBimmer]

the realay did it. thanks!