So I think this is corrosion on my wheels. I've had aluminum wheels before and have never seen this happen. It's mostly around the valve stems. I'm wondering if the TPMS is causing this. Or maybe it's just corrosion from being in contact with steel lugs, ya know, dissimilar metals.
Anywho.. . what's a good way to gently remove this?
Anywho.. . what's a good way to gently remove this?

