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Deceleration noise

Jan 17, 2020
St. Petersburg, FL
Follow up on my last post, new 2020 performance S,19s that had frunk detector malfunction at time of delivery along with a few other probs. Still waiting for my SC appointment later this month. Amongst 4 other downstream errors that have accumulated since I scheduled 5 weeks ago, I am starting to hear a progressively worsening decrescendo hum/high pitch sound as the car decelerates, with or without breaking, starting at about 20 mph and slower. Coming from right front wheel complex as best as I can tell. Reminds me of the noice the Star Trek enterprise made when warp drives powered down. It’s getting louder as I put miles on. I suspect this is Normal regen noise but I never had this AT ALL with my 2017 p100d. Anyone have any thoughts? Guess I was spoiled with the truly silent cabin with my last model S. Thanks in advance.

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