2015-2016-2017 BMW X5/X6 HARMAN/BECKER HIFI AMPLIFIER MODEL BEB149 OEM 9321075 | eBay
Amazon.com: Becker MB Car Bluetoot-h Adapter, Digital Car Stereo Aux Interface with Charging 3.5mm Music Input Port for Becker 1994-2002(BTA-BEK) : Electronics
Hifi Aktiv & Radio Becker
993 becker hi Fi wiring digram - Rennlist - Porsche Discussion Forums