Logic7 is the premium, fiber optic audio system in the E90 cars. In order for the Dynavin to integrate with this audio system, you must install the MOST adapter. Here's how to determine whether or not your car has the Logic7 audio system.

Looking down through the windshield at the top of the dash, Logic7 cars have a center channel speaker on the top of the dash between the vents.

LOGIC7 AUDIO SYSTEM PICTURED BELOW

Cars without the Logic7 system DO NOT have this speaker between the vents.

STANDARD AUDIO SYSTEM PICTURED BELOW