08/2009 build date US market 135i
I've read through this entire thread - but it is still unclear to me if the LCI tail light retrofit is plug-n-play for my car. I see some posts that state that early build date cars need coding (and a harness).
Later, I see conflicting posts that state it is plug-n-play.
Is there a definitive answer???
FYI - my car has the adaptive xenons stock...
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