The key is when you get one x started to pry apart the case so that it stays in the unlock poisiton. Then move on to the next one all the way around. There shouldn't be anything hodling it together other that the x's and the tabs. It will be a tight fit to prevent dust from getting in. After I turned an x, I had to use a flat screwdriver and pry the pieces apart a little.

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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!