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      12-08-2018, 09:18 AM   #1
pongkin
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brake upgrade

hey guys so I upgraded my rotors, pads and brake lines
rotors are from pagid the dimple and slotted
I get this weird noise and it's annoying

I had the embarrassing squeaking and now no more squeaks but have this embarrassing chatter sound I guess

not sure what to do/check at this point

video-https://vimeo.com/305221617
video rolling-https://vimeo.com/305411034

this is my setup

Last edited by pongkin; 12-09-2018 at 10:40 PM..
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      12-08-2018, 02:48 PM   #2
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You're hearing the pads hitting the slots.
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      12-08-2018, 06:12 PM   #3
pongkin
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Quote:
Originally Posted by Billfitz View Post
You're hearing the pads hitting the slots.
so your saying it's normal?
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      12-08-2018, 09:14 PM   #4
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Once the pads are bedded it should go away.
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      12-09-2018, 10:40 PM   #5
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anybody else encountering this?
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      12-12-2018, 03:48 AM   #6
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You may find that its the dimples in the discs. The BMW MPPK brake upgrade that I had on my F31 330D for a while had dimpled discs; no slots. With the windows down I noticed a continuous ppfpfpf noise especially if it reflected off hard surfaces i.e. parked cars or (very) nearby buildings.

If it's more of a thrumming noise it's likely to be the grooves in the discs gently cleaning the faces of the pads.
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      12-12-2018, 04:06 AM   #7
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ok thanks, wonder if it will eventually go away, if not well back to oem blanks
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      12-15-2018, 01:30 PM   #8
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For daily driving, slotted / drilled / dimpled rotors are not needed. For track duty, more so - since rotors and calipers get hotter and need to be cooled more aggressively.

Once the pad are bedded the noise will subside but unlikely to go away completely.
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      01-05-2019, 04:01 PM   #9
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Did noise ever go away? Debating slotted / dimpled discs...
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      01-05-2019, 04:18 PM   #10
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Debating slotted / dimpled discs...
Read the post above yours.
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      01-08-2019, 03:50 PM   #11
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nope still there, I'm going to look into it again when i have time. if still persist ill be on the fringe and just go back stock blanks.

what id like to know is
is it the front or back brake pad have the free play?
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      01-22-2019, 10:58 AM   #12
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Quote:
Originally Posted by pongkin View Post
hey guys so I upgraded my rotors, pads and brake lines
rotors are from pagid the dimple and slotted
I get this weird noise and it's annoying

I had the embarrassing squeaking and now no more squeaks but have this embarrassing chatter sound I guess

not sure what to do/check at this point

video-https://vimeo.com/305221617
video rolling-https://vimeo.com/305411034

this is my setup
Can I ask, did you start with just the M Sport brakes or the M Performance ones? I have the M Sport brakes and would like to upgrade to discs like these, however couldn't seem to find any. Also, what uprated pads are you using? Do you still get loads of brake dust like you do with the OEM pads/discs?

Apologies to bombard you with questions!
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      01-22-2019, 01:31 PM   #13
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Quote:
Originally Posted by BMWiltshire View Post
Quote:
Originally Posted by pongkin View Post
hey guys so I upgraded my rotors, pads and brake lines
rotors are from pagid the dimple and slotted
I get this weird noise and it's annoying

I had the embarrassing squeaking and now no more squeaks but have this embarrassing chatter sound I guess

not sure what to do/check at this point

video-https://vimeo.com/305221617
video rolling-https://vimeo.com/305411034

this is my setup
Can I ask, did you start with just the M Sport brakes or the M Performance ones? I have the M Sport brakes and would like to upgrade to discs like these, however couldn't seem to find any. Also, what uprated pads are you using? Do you still get loads of brake dust like you do with the OEM pads/discs?

Apologies to bombard you with questions!
On the N55/B58 msport gray uses 340mm, msport blue or mperformance use 370mm. Smaller engines with sport will use just the 340mm upfront. Same exact pads regardless of rotor size, as its all the same exact 2piston Brembo, but with varying lengths in its integrated carrier. Also same caliper as the stock M3,4,2 calipers as well.

For a slotted and dimpled 340mm rotor you'll have to look at Stoptech, R1, and Adams Rotors, that I know of. BMW doesn't make one, and so many oem replacement suppliers don't make one either.

The dimensions you need are 340x30mm for the front, or 370x30mm depending on what you have now, but all sets will bolt on regardless of what you have now.
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      01-22-2019, 04:07 PM   #14
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Quote:
Originally Posted by Logicoeur View Post
Quote:
Originally Posted by BMWiltshire View Post
Quote:
Originally Posted by pongkin View Post
hey guys so I upgraded my rotors, pads and brake lines
rotors are from pagid the dimple and slotted
I get this weird noise and it's annoying

I had the embarrassing squeaking and now no more squeaks but have this embarrassing chatter sound I guess

not sure what to do/check at this point

video-https://vimeo.com/305221617
video rolling-https://vimeo.com/305411034

this is my setup
Can I ask, did you start with just the M Sport brakes or the M Performance ones? I have the M Sport brakes and would like to upgrade to discs like these, however couldn't seem to find any. Also, what uprated pads are you using? Do you still get loads of brake dust like you do with the OEM pads/discs?

Apologies to bombard you with questions!
On the N55/B58 msport gray uses 340mm, msport blue or mperformance use 370mm. Smaller engines with sport will use just the 340mm upfront. Same exact pads regardless of rotor size, as its all the same exact 2piston Brembo, but with varying lengths in its integrated carrier. Also same caliper as the stock M3,4,2 calipers as well.

For a slotted and dimpled 340mm rotor you'll have to look at Stoptech, R1, and Adams Rotors, that I know of. BMW doesn't make one, and so many oem replacement suppliers don't make one either.

The dimensions you need are 340x30mm for the front, or 370x30mm depending on what you have now, but all sets will bolt on regardless of what you have now.
Awesome, thank you
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