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Old 07-14-2017, 03:55 PM
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Join Date: Jul 2017
Location: savannah, ga
Car: 2015 bmw 640i
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Default reprogram headlight

I replaced the head light of a 2015 640i and the headlight control circuit board's enclosure was cracked so it wouldn't seal. BMW doesn't sell just the enclosure so I had to buy the whole module even though the old circuit board still worked. I read online where the circuit board needs to be reprogrammed to the car so I took it to the dealer and theyre telling me that a crack in the heat sink in a different module is the reason it isn't working although I tested it in the other head light to see if it worked. I had both head lights working with all original modules, the original circuit board just wouldn't close properly so I had to get a new one.

I feel like these guys aren't doing something right with the programming. What can I do? if I have to ill just remove the the new board and put the old one on the module.

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