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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > Will the M sport calipers fit on 345x32 rotors?
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      05-01-2015, 06:32 AM   #1
Fatandre
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Will the M sport calipers fit on 345x32 rotors?

Will the M sport calipers fit on 345x32 rotors?
I am thinking about upgrading my calipers and was wondering if the calipers would fut the rotors I am running now.
I want to get rid of the heavy steel calipers I have for now

Also how is the performance of the sport/performance package?
I would be upgrading to the 370 discs.
Can they handle track use or should I be going aftermarket?
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      05-02-2015, 06:30 AM   #2
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no one?
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      05-02-2015, 06:43 AM   #3
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You may need to make up some 5mm spacers if using a 345mm disc as the the std size for the high power models is 340mm without the MSport brake package, which increases the HP models 340mm discs to 370mm.

You may find this link useful

http://www.turnermotorsport.com/t-br...fferences.aspx
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      05-02-2015, 09:04 AM   #4
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But would they fit on to 32mm thick rotors?
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      05-02-2015, 10:41 AM   #5
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Quote:
Originally Posted by Fatandre View Post
But would they fit on to 32mm thick rotors?
The calipers are same (M-Sport Line (fronts), M-Sport brake, M Performance Brake).
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      05-02-2015, 02:22 PM   #6
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Quote:
Originally Posted by F32Fleet View Post
The calipers are same (M-Sport Line (fronts), M-Sport brake, M Performance Brake).
Yes, I know, but the stock rotors are 30mm wide.
What if I have aftermarket 32mm thick ones. Will the calipers fit over them?
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