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      06-26-2019, 01:33 PM   #1
Sayzar
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M performance Rotors

i currently have the M Performance BBK and BMW replaced my front rotors. I now hear a ticking sound, the sound is louder when driving next to the wall on the highway. I have dimple rotors as anyone had this issue? the noise is only heard when i have my window down.

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      06-26-2019, 01:58 PM   #2
mbanks21
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That's perfectly normal from everything I've read while researching dimpled rotors
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      06-26-2019, 03:08 PM   #3
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I'm fairly certain it's air passing over the dimples. I have same kit (down to the color) and I hear it with the windows down with any sort of tallish structure (wall, fence, building) nearby. It gets louder the closer you are to it.
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      07-01-2019, 12:20 PM   #4
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Quote:
Originally Posted by Stro-TX View Post
I'm fairly certain it's air passing over the dimples. I have same kit (down to the color) and I hear it with the windows down with any sort of tallish structure (wall, fence, building) nearby. It gets louder the closer you are to it.
Turns out that the rear rotors were given me issues. BMW covered if under warranty.
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      07-15-2019, 05:13 PM   #5
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what kind of issues did they find? curios here


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Turns out that the rear rotors were given me issues. BMW covered if under warranty.
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      07-15-2019, 08:35 PM   #6
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yup its normal i have the same noise, its annoying cuz i drive with my windows down. I plan to change em out someday, just gonna go slotted
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      07-15-2019, 09:06 PM   #7
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Quote:
Originally Posted by steveindabmer View Post
what kind of issues did they find? curios here
they said it was the rear rotor vibrating, but after 4 days the noise is back.Everyone is saying it's the design of the rotors
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      07-16-2019, 06:58 AM   #8
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I've got M Performance rotors and have the same sounds. I'd say it's more like a hissing sound.

Definitely going smooth rotors next time around.
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      07-16-2019, 07:08 AM   #9
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u can also just Jack the wheel up and spin it by hand ull hear it make the sound
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      07-16-2019, 07:38 AM   #10
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Quote:
Originally Posted by Sayzar View Post
they said it was the rear rotor vibrating, but after 4 days the noise is back.Everyone is saying it's the design of the rotors
The tick is somewhat common. They did not sand down the hub rust when they installed the rotors. Let me know if that solves your problem.
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      07-16-2019, 08:40 AM   #11
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i believe its the dimples
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      07-16-2019, 09:25 AM   #12
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Yes I have the same sound, and especially audible when driving right beside a wall
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      07-16-2019, 02:42 PM   #13
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Yep I have the same thing. I won't be replacing with OEM when I am due, I don't like the ticking but more importantly for my OCD I don't like that they aren't side-specific so my slots point rear on drivers and front on passengers.
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