I have the Valentine 1 hardwired into my X5. The next step is to get the Stealth One. I did hardwire a mute and power switch into the E39 and may include that into my E53.

__________________
2003 530i Titanium Grey/Black, Premium and Cold Weather Package, Ultimate Pedals, iceLink iPod Kit, Bluetooth, M5 Deck Lid Spoiler, M5 Rear Sway Bar, M5 Dead Pedal, DINAN S1 Trans and Engine SW, BSW 12' subwoofer, Valentine V1 hardwired, SMG Paddleshift kit

2005 X5 Sterling Grey/Truffle Brown, Premium and Cold Weather Package, DICE iPod Kit, Bluetooth, DSP, Comfort seats, Invision DVD Headrests, Valentine V1 hardwired, TomTom GPS

http://www.scarlettnetworks.com/bmw/