Quote:
Originally Posted by DrivingPassion
No, it's not from the speaker itself.
It sounded like two pieces of solid metal knocking each other.
This is my 4th Bimmer, never had so many issues with weird sounds until this one. It's a CPO car, so I will get the shop to look at it.
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It's probably the car seat latch covers on the back package tray. I had a similar issue that only occurred when it was really warm. This fix was to cut some thin strips of electrical tape and place them at the contact points under the top cover. The noise drove me absolutely mad before the fix as I it was near impossible to tell where it was coming from.