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Join Date: Jan 2018
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@ Dking078 - thanks for the info. Side note, the "Black 3 pol small plug" looks indeed like the connector for the 6CD player, but there's already one similar to it connected in it. This is a second one...
One other info, I got lucky and was able to speak with the previous owner of the car, he said the reason why he installed the Xtrons head unit initially was BECAUSE the OEM head unit went black. So that changes a lot of things... i'm longer looking for what I missed but looking for an actual problem, blown fuse, inline fuse/breaker/relay, or checking for loose welds on the head unit, or the modules at the back.
Where would you guys start searching first? Is the head unit more prone to fail, or I should open up the nav unit and check for cold welds or burnt components?
01' M5 Silver
08' M3 Sedan white
02' M3 Coupe Silver