Very easy....fine a buddy with a good collection!!! It should look something like the attachment.
Seriously, go to a good cigar store, a true tobacconist amd ask for their advice.
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