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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > M3/M4 brake conversion for all F3*
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      02-06-2021, 06:43 AM   #1
Belong
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M3/M4 brake conversion for all F3*

Hi guys

New to the forum here...

Im selling brackets for the front and the rear for the F3* platform to succesfully use the M3/M4 380mm front discs and rear 370ers discs on the f3* platform.

I have adapters for the 340mm BRembo calipers to 380 m3/m4
as well as adapters for the 370mm calipers to 380 m3/m4 discs

and for the rears to use the 370 mm M3/M4 rears discs


Rears will only work if you have the larger 18.5cm handbrake.








ill try to update this post soon with some pics , if there are people interested..





Last edited by Belong; 02-07-2021 at 01:30 PM..
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      02-06-2021, 03:34 PM   #2
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Quote:
Originally Posted by Belong View Post
Hi guys

New to the forum here...

Im selling brackets for the front and the rear for the F3* platform to succesfully use the M3/M4 380mm front discs and rear 370ers discs on the f3* platform.

I have adapters for the 340mm BRembo calipers to 380 m3/m4
as well as adapters for the 370mm calipers to 380 m3/m4 discs

and for the rears to use the 370 mm M3/M4 rears discs


Rears will only work if you have the larger 18.5cm handbrake.


Ill post pics here if people are interested ( just need to find out which pic hosting progr )

In the meantime you can have a look on instagram on my F81 Touring project

:EstorilV10


ill try to update this post soon with some pics , if there are people interested..
Sorry for the ignorance but how would I know if I have the larger 18.5cm handbrake? I have the usual blue M Sport Plus brakes...
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      02-07-2021, 03:48 AM   #3
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Quote:
Originally Posted by SantaEugence View Post
Sorry for the ignorance but how would I know if I have the larger 18.5cm handbrake? I have the usual blue M Sport Plus brakes...


If you fill in the last 7 digits of your VIN on realoem.com

go into the brake parts menu

it shows you in the handbrakeparts submenu which one you have ...

it shows with a D: 16 or a D:18.5 ( D - Diameter )
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      02-07-2021, 08:30 AM   #4
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Quote:
Originally Posted by Belong View Post
Quote:
Originally Posted by SantaEugence View Post
Sorry for the ignorance but how would I know if I have the larger 18.5cm handbrake? I have the usual blue M Sport Plus brakes...


If you fill in the last 7 digits of your VIN on realoem.com

go into the brake parts menu

it shows you in the handbrakeparts submenu which one you have ...

it shows with a D: 16 or a D:18.5 ( D - Diameter )
Ah you're talking about the brake disc dust shield being either 16cm or 18.5cm, gotcha
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      02-07-2021, 09:02 AM   #5
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Quote:
Originally Posted by SantaEugence View Post
Ah you're talking about the brake disc dust shield being either 16cm or 18.5cm, gotcha
No im not!
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      02-07-2021, 12:03 PM   #6
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Quote:
Originally Posted by Belong View Post
Quote:
Originally Posted by SantaEugence View Post
Ah you're talking about the brake disc dust shield being either 16cm or 18.5cm, gotcha
No im not!
Sorry not the dust shield, the supporting ring inside, number 6 in this diagram? Didn't realise they came in different sizes.
Have you got a picture of these brackets? How have they been made/designed/tested?
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      02-07-2021, 01:04 PM   #7
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Quote:
Originally Posted by SantaEugence View Post
Sorry not the dust shield, the supporting ring inside, number 6 in this diagram? Didn't realise they came in different sizes.
Have you got a picture of these brackets? How have they been made/designed/tested?
Correct, over 20 sets sold already.. proven good to up to 640BHP on a driftcar, and yes theyre very quality made.. no backyard tuning crap

Last edited by Belong; 02-07-2021 at 01:28 PM..
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      02-27-2021, 10:08 PM   #8
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Are you shipping to the US?

Last edited by 2liver2life; 02-27-2021 at 10:24 PM..
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      03-03-2021, 06:23 PM   #9
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I could.....
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      03-04-2021, 01:33 PM   #10
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Are these the same ones that required part of the rear caliper body to be trimmed away...
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      03-11-2021, 06:08 PM   #11
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Quote:
Originally Posted by SantaEugence View Post
Are these the same ones that required part of the rear caliper body to be trimmed away...

there is no other option then that.... and its just a tiny bit to make room for the bolt..




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      03-11-2021, 06:09 PM   #12
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      03-11-2021, 06:22 PM   #13
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Whats happened to your other threads?
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      03-11-2021, 10:01 PM   #14
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Photos of the trimming?
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      03-12-2021, 03:00 AM   #15
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Quote:
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Whats happened to your other threads?
I deleted my "project topic" 3 replies... so isnt worth to keep updated

you can follow me on instagram : EstorilV10
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      03-14-2021, 03:18 PM   #16
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Do these adapters work on xdrive?
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      03-14-2021, 07:19 PM   #17
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Quote:
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Do these adapters work on xdrive?
No difference in RWD or Xdrive... Xdrive always have bigger rear handbrake - 18.5cm so rear conversion will also work..
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