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Brake Groan - what is yours like?
- Rockford
- Member
- Posts: 123
- Joined: Wed Jun 26, 2013 4:47 pm
- Location: South Coast
Brake Groan - what is yours like?
So Im around 3 months in to my Z4 M40i ownership and I have now twice returned my car to the dealer for brake creak/groan when coming off and on the brakes from a standing start, particularly bad when cold and wet (on a warm dry day they can be silent).
Twice the master tech has taken the car out and said totally normal, just how these performance bakes sound.
If it really is normal then that's fine (and to be fair the dealership has been great for a few other niggles).
So, to put my mind at ease, do your M40i brakes groan (rear especially) during stop start maneuvers?
Have searched and there are certainly themes around BMW brake noise across the modern model range.
Cheers!
Twice the master tech has taken the car out and said totally normal, just how these performance bakes sound.
If it really is normal then that's fine (and to be fair the dealership has been great for a few other niggles).
So, to put my mind at ease, do your M40i brakes groan (rear especially) during stop start maneuvers?
Have searched and there are certainly themes around BMW brake noise across the modern model range.
Cheers!
2019 BMW M40i First Edition Frozen Orange
2014 BMW M4 DCT Yas Marina Blue
Previous Zeds:
2010 BMW Z4 35i DCT (Evolve: 360BHP)
2009 BMW Z4 35i DCT
2003 BMW Z4 3.0i manual
2014 BMW M4 DCT Yas Marina Blue
Previous Zeds:
2010 BMW Z4 35i DCT (Evolve: 360BHP)
2009 BMW Z4 35i DCT
2003 BMW Z4 3.0i manual
- Russ Z4
- Member
- Posts: 323
- Joined: Sun Oct 24, 2021 5:13 pm
- Location: Midlands
Brake Groan - what is yours like?
Yes, it’s horrendously loud.
Goes when brakes are hot.
But yeah, your neighbours will turn their heads as you manoeuvre off your drive first thing.
Goes when brakes are hot.
But yeah, your neighbours will turn their heads as you manoeuvre off your drive first thing.
- PeterE
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- Posts: 49
- Joined: Thu Oct 28, 2021 12:28 pm
- Location: Surrey
Brake Groan - what is yours like?
Yup, mine too - dreadful racket with cold brakes and easing out into main road traffic. Doesn’t create a good impression of BMW engineering does it ?
Now: 2022 Z4 G29 M40i, SFR/Cognac, Comfort, Driving & Technology Packs, collected 22/02/2022, 2017 Mustang S550 GT 5.0l Manual & 1978 Triumph Stag 3.0l manual
Before: 1974 Jaguar E Type S3 V12 OTS & 2019 Mazda MX-5 2.0l GT Sport Nav+
Before: 1974 Jaguar E Type S3 V12 OTS & 2019 Mazda MX-5 2.0l GT Sport Nav+
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- Senior Member
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- Joined: Sun Mar 18, 2012 4:04 pm
Brake Groan - what is yours like?
It’s normal. I wouldn’t worry about it. Performance brakes require a bit of heat.
Ceramics are even worse.
Ceramics are even worse.
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- Lifer
- Posts: 3931
- Joined: Mon Dec 03, 2012 4:47 pm
- Location: Sunderland
Brake Groan - what is yours like?
It would appear all G29s with these brakes are the same.
Mine are horrible when easing in and out of the garage,
Mine are horrible when easing in and out of the garage,
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- sars
- Lifer
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- Location: East Yorkshire
Brake Groan - what is yours like?
Don’t think I’ve heard anything unusual from the brakes on mine, must not effect all cars
Gorgeous SFR Z4 M40i
Gone 2017 Iridium SL400, 2015 435d xDrive Convertible, 2012 E350 CDi Convertible, 2010 DSB Z4 sdrive30i, 2008 Audi A4 Cabriolet, 2006 Phoenix Yellow Z4 2.5Si, 2003 Saab 9-3 Convertible
Gone 2017 Iridium SL400, 2015 435d xDrive Convertible, 2012 E350 CDi Convertible, 2010 DSB Z4 sdrive30i, 2008 Audi A4 Cabriolet, 2006 Phoenix Yellow Z4 2.5Si, 2003 Saab 9-3 Convertible
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Brake Groan - what is yours like?
Do you have autohold activated? I wonder if that plays a part in the noise. Mine does it too but normally I don't notice it that much. Particularly bad when leaving a multi storey car park on the down ramps.
- Rockford
- Member
- Posts: 123
- Joined: Wed Jun 26, 2013 4:47 pm
- Location: South Coast
Brake Groan - what is yours like?
AutoH on yep, I had thought the same and it does perhaps slightly reduce the noise when I tested it without but did not eradicate entirely.
The worst it can be is a wet day using park assist to self park, sounds like the titanic sinking!
My rear pads are not full of life, not triggering wear sensor but not far off I'd guess. I may get them replaced early out of curiosity...its almost certainly the pads slightly creeping against the discs when underload.
2019 BMW M40i First Edition Frozen Orange
2014 BMW M4 DCT Yas Marina Blue
Previous Zeds:
2010 BMW Z4 35i DCT (Evolve: 360BHP)
2009 BMW Z4 35i DCT
2003 BMW Z4 3.0i manual
2014 BMW M4 DCT Yas Marina Blue
Previous Zeds:
2010 BMW Z4 35i DCT (Evolve: 360BHP)
2009 BMW Z4 35i DCT
2003 BMW Z4 3.0i manual
- PeterE
- Newbie
- Posts: 49
- Joined: Thu Oct 28, 2021 12:28 pm
- Location: Surrey
Brake Groan - what is yours like?
Now: 2022 Z4 G29 M40i, SFR/Cognac, Comfort, Driving & Technology Packs, collected 22/02/2022, 2017 Mustang S550 GT 5.0l Manual & 1978 Triumph Stag 3.0l manual
Before: 1974 Jaguar E Type S3 V12 OTS & 2019 Mazda MX-5 2.0l GT Sport Nav+
Before: 1974 Jaguar E Type S3 V12 OTS & 2019 Mazda MX-5 2.0l GT Sport Nav+
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- Newbie
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Brake Groan - what is yours like?
Really bad cold or wet, once I’ve braked a few times it goes away. I am going to try changing the pads soon, hopefully might help…
2019 G29 20i
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Brake Groan - what is yours like?
Seems to be the norm, yep my car does it aswell...
- Swiftly
- Lifer
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- Joined: Wed Dec 28, 2011 10:43 pm
- Location: Edinburgh
Brake Groan - what is yours like?
My previous 2019 model used to make an horrendous noise when the brakes were cold, whilst the brakes on my new 2023 Lci model don’t make any noise at all.
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- Lifer
- Posts: 3931
- Joined: Mon Dec 03, 2012 4:47 pm
- Location: Sunderland
Brake Groan - what is yours like?
So it would appear that if BMW takes the same brakes and builds a new car around them, it solves the problem
G29 M30i M Sport San Francisco Red
Previous
E89 35is Valencia Orange
E89 28i Crimson
E89 25i White
Previous
E89 35is Valencia Orange
E89 28i Crimson
E89 25i White
- Sladester100
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- Joined: Thu Jun 25, 2020 3:39 pm
- Location: South East UK
Brake Groan - what is yours like?
Yep, creak noise regularly. Worse on gentle slight brake touches at manoeuvring speeds.
Better when hot,
Better when hot,
F30 320d ED Melbourne Metallic, Vis Pack, Dakota Leather, & Other Goodies :thumsup:
G29 M40i First Edition Frozen Orange
G29 M40i First Edition Frozen Orange