2008 328XI Professional RadioThis is from my downloaded Dealer Spec sheet
S645A BMW US Radio
S663A Radio BMW Professional
S676A HiFi speaker system
There is only one multi plug on the back with 2 fiber optic plugs 1 is lit the other is not, also noticed under the dash I removed to see if I unplugged anything there by pulling radio out, on the left upper corner of the cover I removed that and it has a plug there that has fiber also, and also 1 lit 1 not and I know they should both be lit, I ordered a fiber optic loop cable today to test if the module crapped out maybe I shorted it pulling the radio?
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