Don't matter. I did it with car off. As long as there is good power to the sunroof. I also did it with car running while in traffic. So either will work.

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2006 4.8is, Black on White. SOLD Sniff Sniff.

2017 F85 x5m, Black on Red. BEAST MODE


"The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain

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