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12-24-2012, 01:40 AM | #2 |
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A quick search would have given an answer. Performance Friction is the most popular one, but to be honest there aren't any discs on the market - in OEM dimensions - that is going to significantly outperform the OEM one, as the OEM one is pretty darn good. They are able to take a pretty good amount of abuse with the right pads, and the oem floating system is brilliant at allowing thermal expansion without the typical drawbacks of floating bobbins.
If you need a better brake setup despite using appropriate pads and oem discs, then you need an aftermarket brake kit from any of the reputable companies. |
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01-02-2013, 07:36 PM | #5 | |
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No pad transfer on the rotors...
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01-02-2013, 09:07 PM | #6 |
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Did you bed in the pads before doing hot laps?
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01-02-2013, 10:41 PM | #7 | |
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I'm inclined to think that yours is also due to uneven pad transfer. It's not something you can easily see. I'm fairly certain that most pads would overheat way before the OEM discs go beyond its maximum operating temperature. Also, once a disc is truly warped - not with axial runout due to pad deposits - it'll never recover, so by the fact that it gets better as you manage the brakes before the next session, points more towards uneven pad transfer. |
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01-03-2013, 04:21 PM | #8 | |
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01-03-2013, 05:26 PM | #9 | ||
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OEM pads take some time to scrub off deposits because the pads are generally quite soft and not very abrasive. Also, in general, pads are at their most abrasive when cold to slightly warm temperatures. |
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01-04-2013, 09:30 PM | #10 | |
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01-05-2013, 02:14 AM | #11 | ||
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Oh, I don't use the Sport pads on the road as they are way too noisy - I see pedestrians cringe when I come to a stop. I swap to the standard pads after a track day. |
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01-07-2013, 07:36 PM | #12 | |
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01-07-2013, 08:16 PM | #13 |
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Sounds about right; when the pads cool, they become more abrasive, and probably cleaned the disc surface of uneven deposits. Or, your pads may have cooled to its ideal temperature range and laid an even layer of deposit all around the disc, while also spreading the existing uneven deposits evenly around the discs.
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01-09-2013, 05:18 PM | #14 | |
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01-10-2013, 09:20 AM | #15 |
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The parts we've been working on with Racing Brake have been released. You can see details here: http://www.racingbrake.com/BMW-M3-E9...-p/2161-pu.htm
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01-10-2013, 10:26 AM | #16 | |
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01-10-2013, 10:28 AM | #17 |
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01-10-2013, 05:25 PM | #18 | |
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01-10-2013, 05:28 PM | #19 |
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