Rear end Noise Driver side

Fosil Racer · 05-25-2023, 09:13 AM

For the last couple of Weeks I have a loud Bang and a loss of traction on the driver rear while under hard acceleration in Left or Right turns. [AutoCross racing.] This was preceded by a year of BMW services telling me the "Scraping Noise and occasional Bang"was probably a rock or other debris being caught between Rotor and caliper on the brakes. Milage 69K. 2015 M4.

spidy512 · 05-26-2023, 10:33 PM

Yo!

How about some more info? DCT? traction control off? any mods? Did you suggest a "scraping noise" or did the dealer hear this noise? How did they justify a bang = small rock? Maybe describe the "bang" a bit better?

Hopefully someone else has experience with this, but more info would be helpful.

Good luck!
josh

05-25-2023, 09:13 AM	#1
Fosil Racer Fossil Racer 5 Rep 18 Posts Drives: 2015 BMW M4 Coupe Join Date: Apr 2022 Location: Ponchatoula, La. iTrader: (0)	Rear end Noise Driver side For the last couple of Weeks I have a loud Bang and a loss of traction on the driver rear while under hard acceleration in Left or Right turns. [AutoCross racing.] This was preceded by a year of BMW services telling me the "Scraping Noise and occasional Bang"was probably a rock or other debris being caught between Rotor and caliper on the brakes. Milage 69K. 2015 M4.
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05-26-2023, 10:33 PM	#2
spidy512 Captain 493 Rep 689 Posts Drives: 2015 f80 M3 Join Date: Oct 2016 Location: East Bay Area, CA iTrader: (0) Garage List 2015 BMW M3 [0.00]	Yo! How about some more info? DCT? traction control off? any mods? Did you suggest a "scraping noise" or did the dealer hear this noise? How did they justify a bang = small rock? Maybe describe the "bang" a bit better? Hopefully someone else has experience with this, but more info would be helpful. Good luck! josh
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