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BMW 5-Series (G30) Forum 2017+ BMW 5 Series (G30) General Discussions Grinding noise on startup

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      11-08-2019, 07:24 AM   #45
hlothery
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Hear it occasionally also. Have actually had my foot on the brake pedal once or twice when it occurred, and can feel vibration in the pedal as the noise occurs.
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      11-11-2019, 11:52 PM   #46
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Last Friday the garage updated software which controls the auto hold/park break. In some instances it can hold in safety too long causing a similar noise.
Apparently BMW pushes out a PUMA (not sure this is correctly spelled).
The video with the sound sounded like my grinding noise. Hopefully it is now done.
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      11-12-2019, 12:53 PM   #47
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Happened to me few times as well. I noticed that it happened every time I pressed the break while the door was still open. After that I started closing the door first, then break + start and it hasn't happened since
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      01-01-2020, 12:02 PM   #48
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I am happy to report that after several times reporting the issue and trips to the dealer they performed an i-STEP upgrade that resolved this issue. It was related to the braking system as suspected.
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      01-01-2020, 04:11 PM   #49
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Quote:
Originally Posted by GermanCarGuy View Post
I am happy to report that after several times reporting the issue and trips to the dealer they performed an i-STEP upgrade that resolved this issue. It was related to the braking system as suspected.
Also get the noise but not always when my foots on the brake. The dealer couldn't replicate it as it seems to be intermittent. Anything I can use to go back to them on this?
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      01-01-2020, 05:00 PM   #50
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Quote:
Originally Posted by creativ101 View Post
Also get the noise but not always when my foots on the brake. The dealer couldn't replicate it as it seems to be intermittent. Anything I can use to go back to them on this?
Itís a problem with the braking system. I would tell them to open a PUMA case and escalate. If they simply kept their cars all up to date these problems would be far and few between. IMO All manufacturers have got to get to OTA software for all modules if they want to keep up with the rapidly progressing auto industry.
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      01-01-2020, 05:25 PM   #51
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Quote:
Originally Posted by GermanCarGuy View Post
Quote:
Originally Posted by creativ101 View Post
Also get the noise but not always when my foots on the brake. The dealer couldn't replicate it as it seems to be intermittent. Anything I can use to go back to them on this?
It’s a problem with the braking system. I would tell them to open a PUMA case and escalate. If they simply kept their cars all up to date these problems would be far and few between. IMO All manufacturers have got to get to OTA software for all modules if they want to keep up with the rapidly progressing auto industry.
Is there a fix for this? And what is it?
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      01-03-2020, 03:42 AM   #52
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Yes there is a fix.
A software update on the breaking system.

Has been performed with my car and no noise since
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      01-05-2020, 03:18 PM   #53
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Will this cause any damage if itís left as it is for a while?

My vehicles currently on nbtevo_O181841. Whatís the latest version and will it give anything new?

Last edited by creativ101; 01-05-2020 at 03:19 PM.. Reason: Correction
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      02-23-2020, 10:30 PM   #54
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Quote:
Originally Posted by PunjabiM3 View Post
This is my eighth BMW since 2004 and none of them have made this noise. It is not a faint noise or the sound of something priming; rather it is a loud, startling grinding noise that lasts for about a second. You can hear it both inside and outside the car. I believe even if you were standing around 25 feet away you can still hear this noise when the car makes it. I believe it to be some sort of faulty part from when the car was built. We ordered this car to spec and my plan was to get an extended warranty and keep it past the original 4 yr warranty. However, if the cause of this noise and resolution cannot be found by BMW, then we likely won't keep it past the four years.
Before you take it to the dealer try to record the noise on your cell if you have one that records sound. I had rattling noise on my M3. It only happened when the engine was cold. Also didn't happened all the time. I recorded the sound and played it for the Mechanic and he said I know just what that is. It was a bad water pump. Got it fixed under warranty. Anyway that is my two cents.
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      02-24-2020, 08:34 AM   #55
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Quote:
Originally Posted by PatRS70 View Post
Yes there is a fix.
A software update on the breaking system.

Has been performed with my car and no noise since
I can report (knocking on wood), that this was just done on my vehicle and I have not heard the noise since.
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      02-24-2020, 01:18 PM   #56
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Had mine fixed recently. It's a known issue. Just tell them to look for the PUMA.
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      03-02-2020, 07:54 AM   #57
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Just had the PUMA update done on my '18 540i. I had to send my SA a link to this conversation chain for him to move on the repair and reach out to BMW tech services. Hopefully this will take care of the grinding issue.
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      03-20-2020, 06:54 AM   #58
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Just had my 2019 530i in for the rear camera recall. SA told me that the software update ďprobablyĒ contained the istep update which would solve the noise. Havenít heard it so far. Will update in a few days after driving some more.
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