Thats who I bought mine from. It installed easy and works great

When pulling the trim pieces out the black clips are really two pieces. One is an insert. Use a little screwdriver to get it started then slip a needle nose in once you get it going

Program it before you install it, but leave the USB cable where you can get to it in the trunk. Apparently, if you don't disable it before you go to the dealer, it messes up their ECU scans. You can also disable it from the turn signal stalk

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2009 Z4 sDrive30i and a 2004 Toyota Land Cruiser - Lifted, locked and a few other toys