So I have no combox
6FL Usb-/audio Interface Usb-audio-schnittstelle
639 Complete Prep. Cellular Phone Usa/cdn Komplettvorb. Handy Usa/cdn
676 Hifi Loudspeaker System Hifi Lautsprechersystem
693 Satellite Tuner Preparation Satellitentuner Vorbereitung
Which one will I need? Any guesses if steering wheel controls will work? What about y-cable? Need it or not!
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2009 135i e82 Alpine White N54 DNF
2012 M3 E92 Laguna Seca Blue S65
Toa Alta, Puerto Rico
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