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05-30-2012, 01:19 AM | #1 |
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E9x OEM Brake Rotor Dimensions
This is just a cache for E9x M3 brake rotor dimensions/information I'm posting for posterity, there won't be much interesting to see here, honestly. Non-OEM front and rear 2-piece E9x rotors can be sourced from RacingBrake, details in this thread. I loathe the duplication of information, but for this, it's not always a bad thing, and it may be of more use m3post than m3forum.net.
If anyone has missing specifications or something to add, please don't hesitate to contribute. Search Terms: E90, E92, E93, front rotor dimensions, rear rotor dimensions |
05-30-2012, 01:26 AM | #2 |
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minimum rotor thickness might help. think the front is 28mm and rear is 22mm if i remember right.
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02 Tiag e46 M3|6MT|GC plates|MCS c.o.|GC bars|GC race control arms|GC bushings|BW eng. & tran. mounts|subframe kit|BW race shifter|BW Jaffster|Euro header|BW exhaust|K&N c.a.i.|Epic race tune|Rouge pulleys|Seibon CF hood|CSL bumper|apr gt 250 & splitter|ST-40|XR-2|SS lines|half cage|Recaro profi|Profi 2 harness|BMWpedals|BW studs| |
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05-30-2012, 01:35 AM | #3 | |
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Quote:
Edit: for initial thickness.. Minimum rotor thickness is already listed as discard thickness, if that's what you mean? Edit: discard is 28.4mm and 22.4mm, respectively. Thanks for reviewing the info; a sanity check is always welcome. |
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05-30-2012, 01:39 AM | #4 |
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yep missed that. that is what i mean. same thing. you sure its 28.4 i was told by SA it was 28 but you know how they are sometimes.
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02 Tiag e46 M3|6MT|GC plates|MCS c.o.|GC bars|GC race control arms|GC bushings|BW eng. & tran. mounts|subframe kit|BW race shifter|BW Jaffster|Euro header|BW exhaust|K&N c.a.i.|Epic race tune|Rouge pulleys|Seibon CF hood|CSL bumper|apr gt 250 & splitter|ST-40|XR-2|SS lines|half cage|Recaro profi|Profi 2 harness|BMWpedals|BW studs| |
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05-30-2012, 01:52 AM | #5 | |
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If anyone is considering such an act, please call me first... |
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06-18-2015, 07:20 AM | #6 |
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Whats the general concensus on thus, is the stamped min rotor thickness really time to discard the rotors??
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06-18-2015, 09:17 AM | #7 |
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I have stuck to it with both OEM and bbk. Might run an extra set of track pads on bbk once really close to minimum but heat checks start to grow when rotor is worn also so don't wanna push it much.
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06-18-2015, 04:49 PM | #8 |
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Yes I could totally understand in a track car, where the rotors are subjected to higher then normal temps that the rotor would be more prone to being overheated due to less mass in the rotor.
But what about in a street car, for just day to day driving? |
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08-23-2015, 07:10 PM | #9 |
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Drives: 2011 e93 m3, DCT, Jerez Black
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I will keep running pads on stock rotors until I know for a fact some of the rotors are getting heat spots.
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07-24-2019, 09:23 AM | #10 |
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I know this is an old thread but im despiritaly looking for such a clear size numbers for E60 M5, F30 M-Sport and F80 M3/M4 Basic rotor sizes. If anyone find a thread PLEASE PM me or post a link here...
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