The advanced electronics monitor the vehicle's computerised CAN-BUS signal bus to watch for the ignition being turned on then send an ignition signal to the head unit. This is required for most modern cars, otherwise the new radio/head unit will not power-up.
BMW 5 Series (E39) 2000 - 2004. If the connection in the car is different from what you see in the picture then this adaptor is NOT suitable. BMW X5 (E53) 2000 - 2006. BMW Z4 (E85) 2002 - 2008. NOTE : If you have a dashboard mounted audio display then this will not work once the new stereo is fitted but your clock and temperature will remain.
CONNECTS2 CTSBM009.2. For use with Alpine units that have 3.5mm jack socket for steering/stalk connection. BMW 1 series E81 / E82 / E87 / E88 2004-2010. It also allows if you havewarning tones such as oil/washer fluid level, door open and seat belt to keep working through the speaker system.
Customs services and international tracking provided