it stays in there fine - very secure. It's actuallythe same kind of docking as if in the bose. if you dont plan on driving like you're on a racetrack i think you'll be fine. its definitely looks good cosmetically, my dealer saw it and loved it, was even more suprised when i told him i installed it.

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2005 LeMans Blue e53 4.8is
MODs
///LeMans Blue RBs///Intravee II///Sirius///ACS Spoiler///AiB v3///HID Fogs///LED Tails///
///215 20" Ferric Gray///MTEC Pedals///DVD Headrests///SMG M Wheel///AFE CAI Stage 2