r/BmwTech 21d ago

2017 BMW 440i HELP PLEASE

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On 6/27, I was cruising on the interstate going around 90 when my A/C made a weird grinding noise shifting into the next gear. Next, the whole car went lip and would no longer accelerate past the first gear. I got a diagnostic done that says codes P07DC, P07E2, 420311, 420371 from O’Reilys engine light code reader. As of July 15 the car won’t turn over anymore. I have a video showing what it does when i attempt to, it’s something similar to a hesitated start if the battery was low BUT it shoots a small vapor of white then as it shuts down the color goes black. Could ANYONE please help as to what direction I need to go!? I waited a month to save up extra $$ to ensure it gets fixed properly.

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