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double check part number......I had issues with various electronic items before. I got a new sensor for the windshield and the item I got had a part number that did not match the box. The correct sensor was plug and play and my heads up display had proper light dimming function. With wrong part it was backwards, bright sun made it dimmer and darkness made it brighter LOL.
Mike
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2018 M5 and 2019 Porsche Boxster GTS
Prior. '94 325is, '97 M3 Lux, '16 M2 |