Squealing noise when braking a little firmer :/

mattryan · 08-12-2011, 10:23 AM

I'm pretty easy on the brakes in my day to day driving but I've noticed that when I brake a little firmer there's a squealing noise... I've called the dealer and they've told me that it's probably because of the brake dust or moisture... I've never experienced this with any of my other cars... Does anyone know if this is normal?

///N54 · 08-12-2011, 10:32 AM

Apparently it is normal
I know it is pretty annoying

KingOfJericho · 08-12-2011, 10:38 AM

Most of us have it. BMW says it's normal. No fix!

FJUNO78 · 08-12-2011, 11:16 AM

I don't have this issue. Interesting

Wbip08 · 08-12-2011, 04:07 PM

I had this problem too since the first day i bought thr car. Dealer always said the same thing that it was brake dust and it just needed to be cleaned but it would still make the noise and it was super loud and annoying. I recently had my front brake pads replaced when i took the car in for service and ever since then not a single peep. Hope this helps.

mattryan · 08-12-2011, 04:52 PM

Quote:

Originally Posted by Wbip08

I had this problem too since the first day i bought thr car. Dealer always said the same thing that it was brake dust and it just needed to be cleaned but it would still make the noise and it was super loud and annoying. I recently had my front brake pads replaced when i took the car in for service and ever since then not a single peep. Hope this helps.

my car barely has 5000km's on it so i don't think changing the brake pads is an option...

ND40oz · 08-12-2011, 05:12 PM

I have this problem with mild braking, in my case, it's a build up of brake dust from the parking brake. Only way to get it to really get it to stop is to clean out the brake dust, which is a pain, so I just deal with it. Pulling the parking brake up slightly when driving will sometimes clean it out for a bit and stop the squeeking.

KinoBoom · 08-12-2011, 09:07 PM

It is normal though very annoying. I get it every once and a while.
Had it terribly on my C6 way worse than the BMW.

ItsHectic · 08-13-2011, 01:19 AM

I thought this was the type of brake pad used, out of curiosity are you guys using the bitey dusty ones that cover the rims in dust?

Dackelone · 08-13-2011, 02:58 AM

Quote:

Originally Posted by Wbip08

I had this problem too since the first day i bought thr car. Dealer always said the same thing that it was brake dust and it just needed to be cleaned but it would still make the noise and it was super loud and annoying. I recently had my front brake pads replaced when i took the car in for service and ever since then not a single peep. Hope this helps.

I read on the 90 forum that starting around 2010, BMW changed the brake pad compound, no to little brake squeal with the new pads. My car was a late 2010 production... and mine squeal like crazy after 50% of the pads were worn down. I am hoping these new brake pads will be quieter.

IF your brakes still queal - have your dealer repalce the pads and rotors. That should fix the squeal.

GaryS · 08-13-2011, 05:41 AM

^^ I drove a brand new 328i loaner the last few days. I thought the brakes were much better than the stock brakes on my car. I didn't notice any dust or noise, and the feel was excellent.

daMau · 08-13-2011, 08:13 AM

I just recently went through a brake squealing issue with my car at the dealer as well.

From the dealer I received the same canned response that all you did as well. I agree that for most part, a little squealing is to be expected due to the performance oriented pads our cars use. In my case, the squealing was excessive and happened all the time. It was honestly embarrassing. Still, the dealer was steadfast in their response and told me that BMW would not do anything because this is normal.

I eventually needed to bring my car in for an unrelated issue (gotta love these cars), and I brought this up again. The SA agreed to look at the brakes this time. It turns out there is actually a recall for faulty sensors and mine had been installed wrong. The sensors were sticking out further than the pads causing premature plastic-on-metal contact. They replaced the sensors and the pads and now there has been no squealing at all. I suspect that as the pads wear it may come back a little, but the original squeal was awful.

Anyways...long story, but anyone with excessive squeal should mention this. The SA went on to admit that around 1 in 4 cars that he looks at with squeal turn out to have this issue.

Simsims · 08-13-2011, 11:38 AM

my brakes squeal if i am too mild with them in city driving

take her for a spirited drive with some good brake action and you'll find that the squeals are gone

1LazyBmw · 08-13-2011, 01:17 PM

same thing............. going to change to hawk pads next year.... get rid of the squeak and brake dust.

08-12-2011, 10:23 AM	#1
mattryan Lieutenant Drives: 2012 135i Join Date: Dec 2010 Location: Toronto, ON Posts: 493 iTrader: (0) Garage List 2012 BMW 135i [0.00]	Squealing noise when braking a little firmer :/ I'm pretty easy on the brakes in my day to day driving but I've noticed that when I brake a little firmer there's a squealing noise... I've called the dealer and they've told me that it's probably because of the brake dust or moisture... I've never experienced this with any of my other cars... Does anyone know if this is normal? __________________ 2012 135i \| Alpine White \| Coral Red \| Aluminum Glacier Silver \| Premium Package \| Executive Package \| Premium Sound Package \| Navigation \| DCT \| Performance 313's \| FormulaOne Pinnacle 15% \| LUX V4's
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08-12-2011, 10:32 AM	#2
///N54 Lieutenant Drives: 2009 135i Join Date: Sep 2010 Location: Edmonton Posts: 457 iTrader: (0)	Apparently it is normal I know it is pretty annoying __________________ Add1cted
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08-12-2011, 10:38 AM	#3
KingOfJericho Brigadier General Drives: Yes Join Date: Aug 2007 Location: CT Posts: 4,859 iTrader: (1) Garage List 2010 135i Coupe [2.63]	Most of us have it. BMW says it's normal. No fix! __________________ The views and opinions expressed in this post are those of the author and do not necessarily reflect the official policy or position of Bimmerpost. 2010 S4 Current \| 2010 BMW 135i Retired \| 2006 Lotus Exige Retired
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08-12-2011, 11:16 AM	#4
FJUNO78 Captain Drives: 25 to 2 Join Date: Nov 2006 Location: staten island, NY Posts: 885 iTrader: (0) Garage List 2010 135i [0.00] 2007 e92 328I [0.00]	I don't have this issue. Interesting __________________ 2010 135i - Alpine White - Coral Red- Glacier Trim - Bluetooth - ///M Sport - Paddle Shifters
	0

08-12-2011, 05:12 PM	#7
ND40oz Lieutenant Drives: 09 135i Join Date: Dec 2009 Location: Denver Posts: 488 iTrader: (0)	I have this problem with mild braking, in my case, it's a build up of brake dust from the parking brake. Only way to get it to really get it to stop is to clean out the brake dust, which is a pain, so I just deal with it. Pulling the parking brake up slightly when driving will sometimes clean it out for a bit and stop the squeeking. __________________ 09 135i 6MT, ZMP, PPK1 13 X5 35i ZMP, ZMX, 2VA 13 Tiguan SEL 4motion
	0

08-12-2011, 04:07 PM	#5
Wbip08 New Member Drives: 08 135i Join Date: Aug 2011 Location: Deep South Tx. Posts: 10 iTrader: (0)	I had this problem too since the first day i bought thr car. Dealer always said the same thing that it was brake dust and it just needed to be cleaned but it would still make the noise and it was super loud and annoying. I recently had my front brake pads replaced when i took the car in for service and ever since then not a single peep. Hope this helps.
	0

08-12-2011, 09:07 PM	#8
KinoBoom Lieutenant Drives: 2009 135i Join Date: May 2011 Location: Austin, Texas Posts: 437 iTrader: (0)	It is normal though very annoying. I get it every once and a while. Had it terribly on my C6 way worse than the BMW. __________________ BMW CCA # 450304
	0

08-13-2011, 01:19 AM	#9
ItsHectic But your honour it's my Affluenza I swear! Drives: 135i, A200 Join Date: Aug 2011 Location: NSW Posts: 412 iTrader: (0)	I thought this was the type of brake pad used, out of curiosity are you guys using the bitey dusty ones that cover the rims in dust? __________________ 135i M Sport DCT. BSM/Oyster/GP trim
	0

08-13-2011, 05:41 AM	#11
GaryS Colonel Drives: 2009 135i 6MT Join Date: Feb 2010 Location: Maryland Posts: 2,089 iTrader: (0) Garage List 2009 135i [3.25]	^^ I drove a brand new 328i loaner the last few days. I thought the brakes were much better than the stock brakes on my car. I didn't notice any dust or noise, and the feel was excellent.
	0

08-13-2011, 08:13 AM	#12
daMau Private First Class Drives: '07 335i Join Date: Dec 2010 Location: St. Paul, MN Posts: 168 iTrader: (0)	I just recently went through a brake squealing issue with my car at the dealer as well. From the dealer I received the same canned response that all you did as well. I agree that for most part, a little squealing is to be expected due to the performance oriented pads our cars use. In my case, the squealing was excessive and happened all the time. It was honestly embarrassing. Still, the dealer was steadfast in their response and told me that BMW would not do anything because this is normal. I eventually needed to bring my car in for an unrelated issue (gotta love these cars), and I brought this up again. The SA agreed to look at the brakes this time. It turns out there is actually a recall for faulty sensors and mine had been installed wrong. The sensors were sticking out further than the pads causing premature plastic-on-metal contact. They replaced the sensors and the pads and now there has been no squealing at all. I suspect that as the pads wear it may come back a little, but the original squeal was awful. Anyways...long story, but anyone with excessive squeal should mention this. The SA went on to admit that around 1 in 4 cars that he looks at with squeal turn out to have this issue.
	0

08-13-2011, 11:38 AM	#13
Simsims Lieutenant Drives: 119/220 Join Date: Jul 2009 Location: Ottawa Posts: 594 iTrader: (0)	my brakes squeal if i am too mild with them in city driving take her for a spirited drive with some good brake action and you'll find that the squeals are gone __________________ VO 1M - everything except sunroof RIP BSM 135i 2009-2011
	0

08-13-2011, 01:17 PM	#14
1LazyBmw Brigadier General Drives: E82 Join Date: Jun 2008 Location: Toronto Posts: 3,992 iTrader: (5)	same thing............. going to change to hawk pads next year.... get rid of the squeak and brake dust. __________________ Cardomain: http://www.cardomain.com/ride/3334104
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