It's very tempting to put my 20's back on like someone suggested cause when I bought the X last year ( end of February ) the 4x4 warning sign was on with the winter setup ( I used the same wheels that came with the X) . Because winter was over I decided to wait until I installed the summer 20's and then have it checked. When I did put them on , everything was fine and the 4x4 warning went away. Only thing different this time is the red warning sign is on as well as the DSC.
I'll probably have to get the codes but I'm still wondering if this can have anything to do with a bad mag???? Arggggg and my 20's are all winterized , polished and clean.....lol

Thanks guys for all your help!

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His : 2005 X5 4.8is (SOLD)
Hers: 2007 X5 3.0si (SOLD)
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Retired:
1999 518
2000 323i
2002 M3 (beautiful car)
2003 330Ci