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      05-25-2013, 01:05 PM   #45
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Quote:
Originally Posted by avlnch View Post
@Rich65 no you will not have to perform the bed in procedure more than once unless you have new pads or rotors installed or squealing comes back due to:
1. Parking the car with hot brakes (results in the pad depositing material on an area of the rotor therefore causing squealing). You should always cool the brakes down before parking if the brakes are very hot.
2. Aggressive braking during the first 200-250 miles of new rotors or pads being installed (you can't bed in or brake very hard during the first 200 miles due to the film on most all new rotors and sometimes the pads)
3. Incorrect bedding in process (such as if you come to a full stop while bedding in.. pads will deposit material onto rotors)

If you wait 200-250 miles after new rotors/pads (and should wait for that period after whatever your dealer applied onto the brakes), then perform the bedding in procedured mentioned about, and follow general rules thereafter (like not parking the car with very hot rotors), you should be able to avoid brake squeal issues.
Will do thank you..
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      05-25-2013, 01:10 PM   #46
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Here are some things that can be done to minimize brake squeal:

1: properly break in the pads and rotors after driving carefully for about 200 miles;
2: keep the wheels as clean as possible from brake dust;
3: have the leading edges of the brake pads chamfered;
4: treat the backing plates of the brake pads with a high quality, high temperature anti-squeal product such as this: http://www.amazon.com/gp/product/B00...M5K7Z4AETQHSQ4

I rarely hear it on my car now with about 8K miles on it. If I do I can make it stop by a hard braking maneuver a couple of times.
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      05-25-2013, 01:33 PM   #47
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Quote:
Originally Posted by thebishman View Post
You have obviously never come down a main straight on track at about 140 mph and have to slow to about 40mph for a 90 degree turn. If you had you would know how critical, t is to properly break in your brake pads and rotors.
Bish
Very funny I live next to sneterton race track and tested many of my cars their, and not at anything short of flat out.
I have owned the following : RS6, two S8's, B7 RS4, E90 M3, 928 GTS, XJS amongst others.
PS) and a tuned A8 4.2 TDI Sport running 400 BHP.

Like I said NO brake squeal.
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      05-25-2013, 08:30 PM   #48
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At 7k miles, mine is finally beginning to stop squealing.
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      05-26-2013, 10:19 AM   #49
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Quote:
Originally Posted by Rich65 View Post
Did you go through the bed in process after the dealer fix? How many miles have you put on it with no squeal since the dealer did their magic?
I did not do the bed in process. I've gone roughly 2000 miles after the dealer did the fix consisting of cold an hot temp weather. My buddy has an M5 and his brakes were bad too so I had him go by my dealer and his are fixed now as well.
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      05-26-2013, 11:04 AM   #50
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i had this problem during winter but its all gone now..
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      05-26-2013, 12:56 PM   #51
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Quote:
Originally Posted by Hunter5179 View Post
I did not do the bed in process. I've gone roughly 2000 miles after the dealer did the fix consisting of cold an hot temp weather. My buddy has an M5 and his brakes were bad too so I had him go by my dealer and his are fixed now as well.
Wondering if the bed in process is more for an aggressive driving style and those that are tracking their vehicle vs. daily drivers that get into it once in awhile. Or is it just a good practice and should be done by everyone with this car and brake system no matter your driving style?
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      05-26-2013, 03:09 PM   #52
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Quote:
Originally Posted by Rich65 View Post
Wondering if the bed in process is more for an aggressive driving style and those that are tracking their vehicle vs. daily drivers that get into it once in awhile. Or is it just a good practice and should be done by everyone with this car and brake system no matter your driving style?
Rich for every day drive this is NOT required,at all IMO.
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      05-26-2013, 03:16 PM   #53
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I have the brake squeal coming from drivers side rear disk only this has only just started after 14k miles so will mention it to dealer at service time which is 3k miles away but will say it is bloody awful noise !!!!!
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      05-27-2013, 09:35 PM   #54
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I'll find out what my dealer did and post it here. It Def worked.
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      05-28-2013, 07:22 PM   #55
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I'm very curious what they did, I'm taking mine in on tuesday for this and the clicking. Would love to have annoying noises gone next week.
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      05-28-2013, 07:43 PM   #56
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Quote:
Originally Posted by dkoren View Post
I'm very curious what they did, I'm taking mine in on tuesday for this and the clicking. Would love to have annoying noises gone next week.
Waiting for my SA to get back to me. I did have a sharp metallic sound that would happen over bumps as well. Turns out it was the brakes. Something wasn't aligned right. Now no squealing and no more sharp metallic sound over bumps. My friends M5 ha the same metallic sound going over bumps as well. He is dropped on H&R's and im still rolling stock.
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      06-17-2013, 01:14 AM   #57
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My 2013 M5 has 11000 km on it and the squeal noise from brake occasionally happened when I applied brake from low speed to a complete stop. I sent my car back and BMW said it was normal and the noise was due to uneven accumulation of iron dust on the braking disc. Although this noise doesn't come up all the time, it completely destroys my confidence in BMW.
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      06-17-2013, 07:41 AM   #58
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Quote:
Originally Posted by johnwu1125 View Post
My 2013 M5 has 11000 km on it and the squeal noise from brake occasionally happened when I applied brake from low speed to a complete stop. I sent my car back and BMW said it was normal and the noise was due to uneven accumulation of iron dust on the braking disc. Although this noise doesn't come up all the time, it completely destroys my confidence in BMW.
With all due respect this is a silly attitude to take. Brakes, especially high performance brakes, will squeal when covered with brake dust, rust, etc. Further they are more prone to squeal with a deposit of pad compound on them. This is why it's very important to keep the wheels clean and to properly break in the pads/rotors and to occasionally perform some hi speed stops.
Frankly when a person buys a high performance vehicle that comes with high performance brakes there are things that just must be accepted. If not, buy a Lexus.
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      02-12-2014, 03:38 PM   #59
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I have the squealing too.
I 'clean' the discs by braking really hard, but the squealing stays...
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      02-12-2014, 04:19 PM   #60
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Is this still a problem on a 100k car? BMW needs to fix this!
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      02-13-2014, 02:48 AM   #61
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Quote:
Originally Posted by clubcsl View Post
I have the squealing too.
I 'clean' the discs by braking really hard, but the squealing stays...
Simple "JET WASH" the disks and behind the callipers.
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      02-13-2014, 04:10 AM   #62
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mine hasn't been making any noise since the temperature went up. It was really bad when daytime temperature was below freeze point.
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      02-25-2014, 09:40 PM   #63
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Enough was enough - after complaining about the squeal for the last yr or so, I dropped it off and told them that it had to be fixed.

Few days later they said there was a campaign out by BMW for this and they pasted the guide pins. I'm not enough of a brake junkie to know how this would actually stop the squeal but so far it had(knock on alot of wood)
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      02-27-2014, 03:41 PM   #64
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I had mine fixed at the dealership yesterday. They replaced both pads without charge. There has been no squeaking yet (no surprise with new pads) but I was just reading over the service invoice and saw the following:

"....Note: new pads come with weight cylinders that prevent brake from making noise."
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      03-09-2014, 09:40 AM   #65
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Quote:
Originally Posted by m5e60
I had mine done too. Dealership installed a new set of pads and it continuously making the noise.
So I called my service manager and he told me there is nothing else they can do.
Can you believe $108k M5 cannot fix the brake noise?
So after a long thought, I traded my 2013 F10 to 2013 Porsche cayenne turbo. And will never buy another BMW.
It was embarrassed to drive loud brake squeal noise...
My friends cayanne turbo engine mounts sheered off at 20,000 mile dropping the engine to the pavement. $40k fix and a little more embarrassing for a 100k car.
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      03-09-2014, 10:10 AM   #66
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Lol holy crap - I assume Porsche fixed it under warranty?
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