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      01-31-2020, 02:15 PM   #1
newway
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Drives: BMW 320i M SPORT
Join Date: Jan 2020
Location: LONDON

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Grinding noise when reversing with AutoHold

Hi fellow BMWers,

I am a new BMW owner for only 2 weeks, mine's a BMW 320i G20 M SPORT, this is my first auto car so I am still getting used to it.

Everything seems fine except this one small thing, I noticed that whenever I put the gear in R and start pressing the pedal, the car would make a moderate grinding noise (similar to that noise you hear when start driving after car wash/rain). Sometimes the noise also occurs when I start the engine and start turning the wheel. After I start driving the noise will go away, no noise e.g. after waiting for a red light.
This only happens when the auto-hold is on, if I turn off the auto-hold feature and do the manoeuvre (e.g. reversing) the noise also went away.

Is this normal?

Last edited by newway; 01-31-2020 at 04:01 PM.. Reason: typo