Add An Amp Aftermarket Amplifier Adapter Interface for BMW 3 5 E90 E83 X3 E53 X5 Z4 MINI Cooper

  Function: Use this adapter to add an aftermarket amp to the factory system.  Product Details: Add an aftermarket amplifier to your factory stereo system. Adjustable 2 channel gains for optimum sound quality. This adapter takes the signal coming from the radio and converts it to RCA to plug into the new amplifier's rca audio input. Plug in installation retains factory wiring integrity Linear 20-20,000Hz sound reproduction based on input signal 2 channel RCA output Amplifier turn-on trigger wire Transformer isolated for optimal sound and performance Time saver and prevents probing and cutting factory wiring Plugs to the back of the radio Most if not all VW might not have an accessory power wire in the harness so the amp turn on wire of this adapter won't work- please cap it off. Compatible Vehicles: BMW: 2002-2006 3 Series (Nav vehicles only or vehicles with flat pin connector) 2001-2003 5 Series 2004-2010 X3 2000-2006 X5 2003-2008 Z4 Mini: 2002-2008 Mini Cooper (2005-2008 Conve