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09-25-2010, 03:39 PM | #1 |
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Track pad brake wear
I have completed 4 DE events on a set of Raybestos ST43 front pads on my Z4M Coupe. I have noticed that the pads have been wearing unusually - at an angle. Stock calipers and rotors. Anyone have any experience if this is normal? Or should I be concerned?
Right Front: Left Front: You can see that the backing plates are parallel to each other and the pad material is worn at an angle. |
09-25-2010, 07:20 PM | #2 | |
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09-26-2010, 03:19 AM | #5 |
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we have single piston calipers?
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09-26-2010, 12:35 PM | #6 |
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No need to cry over single piston calipers on the E86 Z4MC as we have the Competition Package brakes off of the E46 M3. With proper brake pads these brakes are more than adequate for HPDS events. I use the PF-01 pad for my track events.
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09-26-2010, 09:32 PM | #7 |
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^^^Thx Jim.
I know that these brakes feel fantastic and have some premium stopping power. Good to know |
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09-27-2010, 08:08 AM | #8 |
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OEM caliper guides are rubber and result in significant play under heavy braking. You can replace them with solid ones, but then you need to make sure they are lubricated on a regular basis or they might get stuck.
Bimmerworld has the solid guides on sale. See pics on their site for the OEM and solid guides. http://store.bimmerworld.com/categor...guide&x=37&y=6
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09-29-2010, 01:34 PM | #9 | |
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09-29-2010, 05:27 PM | #10 |
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09-29-2010, 07:55 PM | #11 | |
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btw, wouldn't it not hurt to also do lines and fluid? I was thinking StopTech lines and ATE Super Blue for just amateur HPDE learning events I used Goodridge SS lines and ATE Super Blue on my MR2 for my 4 and only track weekends with success. |
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09-30-2010, 08:59 AM | #12 |
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Also, swapping front pads only is not the best approach. If the pads you are swapping in are more aggressive than the OEM pads (higher overall CoF values), you'll shift your brake bias more forward, and the rears will do less work. Your front brakes/tires will heat up more (the differences are measurable), and you won't be utilizing the traction available in the rear. That is not the end of the world, but I'd do all 4 corners--especially if you start seeing very high temps on the front rotors.
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09-30-2010, 03:30 PM | #13 | |
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