Specs:
Original harness to connect to iPod (dock in cable)
Original harness to connect to the back of the stereo
Direct connection to the car stereo. CD quality sound
Full control from car stereo or steering wheel
Charge iPod/iPhone while operating
Additional 3.5mm AUX jack
BMW, Mini, Rover, Land Rover, Range Rover supported
Supports all iPods with dock connector

Specs:
USB Socket A accepting any USB stick/drive
3.5mm accepting additional audio source
Direct stereo connection. CD sound
Full control from car stereo or steering wheel
Supports FAT16/32
In-dash 6-CD will remain working !
Additional iPod/iPhone interface and AUX port
2GB USB stick FREE
BMW, Mini, Rover, Land Rover, Range Rover supported
Text supported for all stereos

Specs:
3.5MM male to male audio cable for any MP3/iPod/XM/DVD player
Original harness to connect to the back of the stereo
Direct connection to the car stereo
Upgradeable to iPod/iPhone interface
BMW, Mini, Rover, Land Rover, Range Rover supported
Trunk mounting (BMW-T) or dashboard mounting cable (BMW) choices