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      06-25-2014, 11:31 PM   #23
cnes
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From what ive heard..make sure u don't spray it on the hub
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      05-02-2017, 10:25 AM   #24
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From what ive heard..make sure u don't spray it on the hub
Why?
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      05-03-2017, 02:40 AM   #25
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It's something that has dogged me since my first bimmer. It seems to be a non-deletable factory option for every bimmer. Anyway, as I have changed to the CCB for my M5 last year, I find myself confronted with the age-old enemy once again. In fact, CCBs are notorious for that. Good thing my long history with brake squeal has taught me how to deal with it. I am not sure if it has been shared before, but instead of filing for a patent and make billions out of it, I have decided to share it here with u guys unselfishly

The remedy is pretty simple. While the brakes are cold, spray a healthy dose of wheel cleaner into the brake callipers. You want to get the cleaner onto the pads. Leave it for a few minutes (not hours or days), and hose it all off. Voila...all the squeal is gone. It has never fail to work each and every time with every bimmer I have tried it on. It works much better than even heavy brake bedding, whose effect seem to be temporary. This process may be repeated once every few weeks.

Disclaimer: I do not know what chemical process is going on or if the brake cleaner is chewing up your pads. I just know that it has no adverse effect on the braking performance and works wonders in getting rid of the squeal. Try it at your own risk Not sure if it matters, but I use Meguiars wheel cleaners.
My brakes squeak all day long, but only upon light braking. Will this solve that issue? I've tried everything and it's just embarrassing
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      12-22-2018, 04:48 PM   #26
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many thanks. i tried your suggestion and it worked great. the annoying squeal is gone. recently got a cpo f10 m5 ('14) from bmw encinitas and their inspection report showed the brakes were fine, but after adding 22 inch savini's i'd been getting the dreaded squeal during slow braking on local streets. embarrassing to say the least. glad i found this thread. cheers.
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      12-27-2018, 05:41 PM   #27
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Thank you! Trying this out!
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      02-03-2020, 01:48 PM   #28
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I think I'll try this out too. My rears are squealing like a stock pig. Maybe the cool weather makes it worse. Bump for any others that have had the same issue.
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      02-15-2020, 12:50 PM   #29
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Quote:
Originally Posted by texsn95 View Post
I think I'll try this out too. My rears are squealing like a stock pig. Maybe the cool weather makes it worse. Bump for any others that have had the same issue.
Squealing is a very common issue for our cars. It drove me crazy and went to BMW multiple times and they never fixed the issue. I ended up buying front and rear Carbotech brake pads and squealing is permanently gone. I highly recommend for anyone with non-CCB that experiences squealing.
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      02-18-2020, 11:02 AM   #30
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I do have the CCBs :-/. I tried the wheel cleaner trick (not brake cleaner, would never spray that) the OP referred to and it didn't do anything.
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      06-26-2020, 09:47 AM   #31
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Bought my M5 in 2016 and have been frustrated with the squealing since. I will give this a try.
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      06-26-2020, 02:35 PM   #32
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I have the MCCB and used to have CCB on my former Audi RS6 as well as Porsche 911 Turbo S. I have to admit that the MCCB squeals more than the competition, but it's not unbearable. These breaks will squeal if break hard at slow speeds, they are made for high speed deceleration. I drive on the German Autobahn every day and the squealing isn't present after using this setup as intended. If you always Baby these brakes, they will squeal like crazy. Just my experience, I'm still happy about this magnificent option every day
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      08-29-2020, 09:13 AM   #33
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This absolutely worked lol, now the question is for how long.
I wouldnt mind doing it weekly just to maintain result hahahaha, thanks!
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      09-13-2020, 11:35 AM   #34
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I wouldn't spray anything on CCB's, just to be safe. Best solution for non-ccb's is probably different pads. just my two cents.
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      07-30-2021, 07:28 AM   #35
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squeaky, squealy brakes have dogged my m5 since delivery last august. the car had 12K miles when i took delivery and the vehicle history suggests pads were replaced as part of the cpo process. embarrassing to say the least pulling up to a stop sign or in front of a group of people in a $100K+ car.

this season i focused on everything but brake pads - suspension, engine, aesthetics - because this solution works. note: the product has changed slightly and is now a wheel and tire cleaner in the pink bottle.

since others in this thread have asked: i spray a healthy dose on the pads on all four corners as i start my hand wash prep (before i fill buckets, put soap in gun, get hoses and towels ready) and let it set for ~8 minutes.

i don't know that there's much magic to how long it stays on but i have found the longer the better in terms of stopping the squeak. it also matters how much you drive and how much the pads scrub. in most cases, i can get a week of quiet braking using this process.

silver bullet? not totally but it helps.
i will be going with power stop z17s on all four corners next year after the wallet heals a bit more.
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