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      01-15-2019, 09:59 AM   #1
Miami305
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Brembo front calipers for my f32....

Hello everyone.

I just bought a pair of Brembo M performance FRONT calipers (the blue ones) for my F32 that I want to install by next week.
As shown in the picture my f32 came with the grey unpainted front Brembo calipers. My question is:

Do I need to change the front rotors? Do I need to make any modification? Or just switch the calipers?
I believe for these M blue brembos I need the 370mm rotors, but both brembo calipers (the blue ones and the grey stock) look pretty similar to me.

Any information is greatly appreciated!

Thanks!
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Last edited by Miami305; 01-15-2019 at 12:00 PM.
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      01-15-2019, 12:27 PM   #2
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Yes the blue ones need 370mm rotors and the grey ones need 340mm rotors.

The blue caliper mount is slightly extended compared to the grey one.
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      01-15-2019, 01:50 PM   #3
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Look on the back of the blue calipers because they also came in a 340mm variant which wouldn't need a new rotor. There's always a marking on them to dictate which carrier/rotor it uses.

Also, you should probably do this kind of research before you purchase parts.
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      01-15-2019, 03:32 PM   #4
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Quote:
Originally Posted by Logicoeur View Post
Look on the back of the blue calipers because they also came in a 340mm variant which wouldn't need a new rotor. There's always a marking on them to dictate which carrier/rotor it uses.
Ah yeah, that is true. Looking at the pictures it does seem to look like its a 370mm variant with the extended mounted point.

This one should say 370/380 actually but as far as I know would only work with the 370mm on none M cars.
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      01-15-2019, 04:05 PM   #5
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Quote:
Originally Posted by Vulpe View Post
Quote:
Originally Posted by Logicoeur View Post
Look on the back of the blue calipers because they also came in a 340mm variant which wouldn't need a new rotor. There's always a marking on them to dictate which carrier/rotor it uses.
Ah yeah, that is true. Looking at the pictures it does seem to look like its a 370mm variant with the extended mounted point.

This one should say 370/380 actually but as far as I know would only work with the 370mm on none M cars.
It's the same for M cars. The mounting holes on their upright is at a 10mm offset to make up for the larger rotor.
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      01-15-2019, 05:16 PM   #6
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Quote:
Originally Posted by Logicoeur View Post
It's the same for M cars. The mounting holes on their upright is at a 10mm offset to make up for the larger rotor.
I just wanted to clarify for OP because you said "There's always a marking on them to dictate which carrier/rotor it uses." these say "370/380" on the back but that doesn't mean we can use a 380mm rotor as that's only if these are mounted on an M car. I understand the difference.

So all in all, OP should get 370mm rotors.
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      01-15-2019, 11:20 PM   #7
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Thanks for the info!
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      01-16-2019, 07:36 PM   #8
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the pads should be the same for grey and colored brembos tho
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      01-17-2019, 11:54 PM   #9
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Quote:
Originally Posted by yoon_209 View Post
the pads should be the same for grey and colored brembos tho
Correct
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      01-29-2019, 04:33 PM   #10
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Quote:
Originally Posted by Vulpe View Post
I just wanted to clarify for OP because you said "There's always a marking on them to dictate which carrier/rotor it uses." these say "370/380" on the back but that doesn't mean we can use a 380mm rotor as that's only if these are mounted on an M car. I understand the difference.

So all in all, OP should get 370mm rotors.
Sorry to hijack the thread, but I believe OP's questions have been answered.

I'm currently looking at the possibility of purchasing a set of blue F80 front+rear calipers. Does this mean I'd need 380mm or 370mm rotors for my F32? I'm unsure what dictates the sizing difference - is it the mount?
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      01-29-2019, 04:55 PM   #11
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Quote:
Originally Posted by louielouie View Post
Sorry to hijack the thread, but I believe OP's questions have been answered.

I'm currently looking at the possibility of purchasing a set of blue F80 front+rear calipers. Does this mean I'd need 380mm or 370mm rotors for my F32? I'm unsure what dictates the sizing difference - is it the mount?
You would use 370mm rotors.

The actual Knuckle/Carrier that the entire caliper mounts to is different between M Cars and ours.
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      01-29-2019, 05:42 PM   #12
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Quote:
Originally Posted by Vulpe View Post
You would use 370mm rotors.

The actual Knuckle/Carrier that the entire caliper mounts to is different between M Cars and ours.
Gotcha, thanks!
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