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      10-11-2012, 09:07 PM   #1
Shep1
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F30 Brake Squeal

Anyone else had squealing brakes? I have a 10 day old 335 msport that developed squealing brakes soon after delivery. When I took it in for service, mine was the first f30 the dealer had seen with this problem. Their research revealed a PUMA measure for the fix (#52226124-01). The service report states as follows: "REMOVED BRAKE PADS FROM ALL FOUR WHEELS USE A FILE TO CAREFULLY DEBURR THE EDGES ALL AROUND THE BRAKE PAD ON THE BEARING SURFACE FOR THE BRAKE DISC. CLEANED BRAKE PADS LUBRICATED BRAKE PADS. REINSTALLED AND TEST DROVE. OK"
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      10-11-2012, 10:19 PM   #2
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I also have this problem. I sprayed some brakleen on it to stop it but the squealing is slowly returning. Whats messed up is that I can't take the car in to get it fixed because my car is too low. Thanks KW.
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      10-11-2012, 10:47 PM   #3
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This problem and that solution are extremely common to any car with decent brakes.

YMMV, but stopping too slow over long distances and riding the brakes or creeping forward at stop lights can cause them to glaze. braking 2x harder than normal once a day or so should help keep the pads fresh.

Sometimes you can get away with running a thin metal shim between the piston and the brake pad that will dampen the squeal as well.
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      10-13-2012, 09:20 PM   #4
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Glad i'm not the only one with this problem. I also have a 3 week old 335i xdrive msport and i noticed brake squeal right after applying brake force before i come to a stop. I figured it would eventually go away after a "brake-in" period, but even after numerous attempts of braking hard, it squeals those few seconds before coming to a full stop. Kinda embarassing, especially with a new car.

Looks like i'll be making an appt. with my dealer for this soon.
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      10-14-2012, 03:56 PM   #5
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Have not had this problem. I've heard that chamfering the pads (some come this way) stops the squeek.
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      10-15-2012, 06:04 PM   #6
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Quote:
Originally Posted by fshubert View Post
Have not had this problem. I've heard that chamfering the pads (some come this way) stops the squeek.
This is the common solution because it keeps you out of the service department for a little while. Basically they are taking a pad that has square edges and knocking down the front edge so it sits more like this instead of straight cut but they wear back to straight anyway. This can be done by you at home fairly easily, the brake pads come off of this car fairly easily.
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Brakes (and tires actually) squeal from tiny movement as long as it isn't the wear "sensor" material down low although performance brakes usually don't have this because we have real sensors (do yourself a favor and replace the pads before you wear into the sensors because you don't need to buy new ones) You have to isolate out vibration which usually means shims. I chased this for almost a year with my GT3 running track pads and every time I drove the car on the street for more than a few miles the pads would squeal until I started putting thin metal shims behind the brakes (in my case they were provided by Porsche for just such an occasion and would only fit those calipers)
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      10-15-2012, 08:49 PM   #7
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I had the same issue with mine. I took it to the dealer and they thoroughly cleaned the brakes and everything is quiet now!
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      11-20-2012, 07:53 AM   #8
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my brakes are still squealing - the fix I described above did not work after all.
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      11-20-2012, 09:21 AM   #9
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Quote:
Originally Posted by Shep1 View Post
my brakes are still squealing - the fix I described above did not work after all.
Sorry to hear this. You could always bring the car in for service every month and watch them slowly grind your pads down to nubs.

Ah, the pleasures....
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      11-26-2012, 12:37 PM   #10
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i took delivery of a 335 and i am having this same problem. i tried break cleaner with no success. i am now at about 1300 miles and it hasnt gotten any better. is the solution a trip to the dealer?

my 07 pontiac with warped rotors and no e-brake is quiet as anything when stopping and my brand new 335i sounds like a clunker.
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      07-24-2013, 11:20 AM   #11
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2013 BMW 335i Msport

i have same problem with my break

since 800 mile

i when to dealer 3 times

i have dashcam in my car and dealer service tech took

my car drove 80MPH

on local.............and break hard from 50MPH ............
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      07-24-2013, 10:24 PM   #12
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Mine squealed for the first 500-800 miles. After the break-in period I went through a normal bed process and everything was fine. You're going to want to get them really hot. Not just a single stop from 50.

A good description @ http://zeckhausen.com/bedding_in_brakes.htm . Set your alarm for 3 a.m. and hit the nearest remote interstate/highway. It's actually kinda fun since you get to know the limits of your brakes and tires.
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      07-24-2013, 10:30 PM   #13
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Quote:
Originally Posted by luxuryblack View Post
i have same problem with my break

since 800 mile

i when to dealer 3 times

i have dashcam in my car and dealer service tech took

my car drove 80MPH

on local.............and break hard from 50MPH ............
Mind disclosing what cam you have?

Also, what became of that? Did you complain? That's unacceptable.
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      07-25-2013, 10:58 AM   #14
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Quote:
Originally Posted by Vectors2final View Post
Mind disclosing what cam you have?

Also, what became of that? Did you complain? That's unacceptable.

i sell BlackVue in CA
and i have one in my car (BlackVue DR500GW )

i didn't told them yet.

i was thinking upload to youtube.
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      07-25-2013, 11:55 AM   #15
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I have this problem also, the loud squeaking happens right before the car comes to a complete stop. It is embarrassing in a brand new car MMotion. Was going to make an appointment as soon as I had some time. My friend has the exact same problem in is 2012 M5, the service manager has told him he needs replace his brake pads.
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      09-30-2013, 11:26 AM   #16
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2013 335XI msport. The dealer told me there is nothing he can do since the new breaks are made with aluminum and thats what happens when metal rubs on metal. truth in this?
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      09-30-2013, 09:15 PM   #17
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Quote:
Originally Posted by freezey View Post
2013 335XI msport. The dealer told me there is nothing he can do since the new breaks are made with aluminum and thats what happens when metal rubs on metal. truth in this?
The guys an idiot. If that were the case then all cars on the lot would have squealing brakes.

How many miles do you have on the car?
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      10-01-2013, 05:18 PM   #18
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Took my car to the dealer to get the squeaking brakes fixed, they still squeak. just going to have to live with it, sigh
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      10-02-2013, 09:43 AM   #19
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Brought my 13' 335i Msport w/ 2800 miles in for squealing brakes and limp mode. SR tells me there is nothing wrong with my brakes and that it's "normal"? How absurd is that? If it's so normal why is the 13' 328 xdrive loaner that I got not squealing like a porker on a rotisserie? He said he's gonna have his supervisor call me. They better change my pads until they get it right.
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      10-03-2013, 03:09 PM   #20
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ha its funny man. Mine has the same exact issues. "Limp Mode" is just their way of saying they have no idea whats wrong with the car. At 1800 miles I got the "limp mode" story. At 3200 miles they tell me its the electronic relay fan. Still the car runs very hot.

As far as the breaks go i just dont understand it.
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      10-29-2013, 02:06 PM   #21
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Just got back from my 2nd visit to the service center within 2 months. Limp mode has not returned but squealing brakes were never addressed the 1st time. I called up BMW NA and spoke with customer relations, filed a complaint and brought the car back for brake repair. This time around they "lubricated pads and pins" but their defense remains, "the brake pads are still new and will not be replaced". This lubing has not solved the problem.
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      10-29-2013, 02:30 PM   #22
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Nope!
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