AC on or off doesn't affect it. Foot "cruise control" no issues. So it seems to point, as ard said, towards the cruise control somehow. Will point the dealer in that direction whenever the parts for the sunroof come and i take it back in.

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2011 X5 35i Space Gray/Black Nevada Leather w Dark Bamboo Trim
Convenience Pkg/Running Boards/Cold Weather Pkg/Comfort Access
3rd Row Seating/20% Tint/Style 215 wrapped with Toyo Proxes ST II/ LUX v4

2001 X5 4.4i TiAG/Grey Leather-Retired
djbock's Custom X Page!