Aerpro CT10BM01 T-Harness to Suit BMW Car Audio Accessories and with the included adapter

and with the included adapter plates

Bass Sound Creator

What does the deep wire recess do

95 user programmable extra receive channels (403-520 MHz)

If there is no amp remote (system remote) in car AV please connect accessory power supply

Aerpro CT10BM01 T-Harness to Suit BMW Car Audio Accessories and with the included adapterIntegrate an Additional Device such as an Aftermarket Bluetooth Kit Into your Car's Factory Radio and it's Wiring This allows your aftermarket Blue tooth kit to work with your car's speakers directly when on a phone call and revert back to the stereo when the phone is not in use. Legendary Products & Support From Authorized Dealers When you choose Aerpro, you're choosing quality and performance. But just as important as what you buy is where you buy