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04-04-2009, 01:20 PM | #199 |
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04-04-2009, 04:42 PM | #200 |
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No, ceramic inserts were fine, but pads were worn to a wedge and backing plates were toast.
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2008 Alpine White 135iM, High gloss black / satin chrome trim, Xenon lights, Hi-Fi sound, ext. lighting package, BMW Performance wheels, side skirts, pedals, gear knob, exhaust, high gloss black grills, carbon mirrors, carbon decklid spoiler, 35% security laminate, Tii graphics |
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04-05-2009, 06:11 PM | #201 | |
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Now all I have to worry about is the apparent "pogo" hopping of the 135i suspension. |
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04-07-2009, 06:40 PM | #202 | |
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I don't have any other pictures at this time.
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04-09-2009, 03:00 AM | #203 |
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If you ever get the chance, snap a few pics. Gotta get some changes made to our car before the Redline Time Attack Round 2!
Back on topic gentlemen..... |
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04-15-2009, 02:40 PM | #204 |
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I just read all this topic...
I think that the problem increased by the BMW special system anti-fading. With this system, we don't know when the temperature is comming very hight, because it's trying to compense fading. When fading is visible, it's too late. |
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12-12-2009, 06:24 PM | #205 |
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I read through most of the thread, but didn't see an answer. Has anybody been able to find replacement pistons for the 135 calipers?
I have a pair of front calipers with cracked pistons and melted boots. (These were run with stock pads too.) |
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12-13-2009, 04:37 PM | #206 | |
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Brembo (even though they are the company sourced for the brakes) pretty much washes their hands of the situation.
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12-13-2009, 08:28 PM | #207 |
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It's interesting that you have cracked pistons with stock pads. So it's not just those of us who are using this as a track car on track pads. Did you contact your dealer? What did they say if you did? Btw, let me know if you do find a set of the "caps". I could do with them too so that I have a set of brakes I can sell.
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01-24-2010, 09:01 AM | #208 | |
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The Hawk HT10s on the BMW seem to be incorrectly sized as they clank when changing directions - ie, from forward to reverse. These were not resized, these were Hawk packaged HT10s. (the hawk ceramics for the 135 clanked as well.) My main concern is that the rotors are undersized in terms of thickness and don't provide adequate heat sink. Unfortunately the throat of the caliper is sized for the pathetically thin rotor. Once I figure out how to post a picture, I will post one showing one of the strips. You can see from the picture why I don't like drilled rotors which are the only thing available without an expensive conversion package for 996 Twin Turbo.
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08 135I (AW/Coral Red - delivered 3/15/08 -- 13 Audi S4, 83 SC (trackster), 90 C2 (Sally's Carrera), 04 Avalanche Blingmobile Last edited by white911; 01-24-2010 at 02:02 PM.. |
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01-25-2010, 03:28 PM | #209 |
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the clanking is caused by the lack of BMW backing plates which locate the pads in the caliper. The HP and the Carbotech pads are basically the same size as the stock pads so unless you use the stock backing plates they will move a bit forward and back (up and down really).
Has anyone found a reliable way to keep the brakes cool other than Berk's make-shift cooling arrangement?
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01-25-2010, 05:43 PM | #210 |
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reading this thread made me remember an STI thread I used to watch. Basicaly the brembo's piston seals disentigrated when racing. i guess "brembo" factory units aren't really the same as true racing brake kits. kind of sad IMO.
http://www.iwsti.com/forums/gd-braki...acked-car.html |
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01-26-2010, 05:47 PM | #211 | |
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Alan
08 135I (AW/Coral Red - delivered 3/15/08 -- 13 Audi S4, 83 SC (trackster), 90 C2 (Sally's Carrera), 04 Avalanche Blingmobile Last edited by white911; 01-27-2010 at 04:55 AM.. |
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02-14-2010, 05:20 PM | #213 | |
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135ijb3, h & r filter, SSK, CDV,clutch stop, klracing fmic,seccond catted ,225-255 michelin ps3, E93F-E92R swaybars.M3 parts front.M3 tension rear.Plates mod(F-2,0º R-1,5º).Bilstein + stock springs.Ps rotors.Subframe bushings.Weichers fstruut.Finally mods sdiff and raceland dp.
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04-12-2010, 11:55 AM | #214 | |
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We're also going to try Titanium backing shims from Ti Speed: http://www.tispeed.com/ 135 Front shims: http://tispeed.com/index.php?main_pa...products_id=92
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05-02-2010, 12:27 PM | #215 |
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Stock calipers & rotors + Hawk DTC 70 pads = cracked pistons and brown calipers.
I hadn't installed the titanium backing plates I bought yet so I can't say for sure whether that would have helped or not. |
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05-03-2010, 03:48 AM | #216 |
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I use "Project Mu" (Japan, Carbon) pads (HC+ = road/track) (Ref Front: Z328 / Rear: Z425) in road and track.
=> No problem and good braking! |
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05-13-2010, 08:57 PM | #217 |
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Dealer replaced pads, rotors, and calipers today under warranty. Going to replace the stock brakes with Stoptechs in about a week anyway. Don't want a repeat performance of the brown-brake-crumblies.
Just to reiterate: the calipers were destroyed after only 3 days of HPDE use. Last edited by bradford; 05-15-2010 at 11:20 AM.. |
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05-15-2010, 05:54 PM | #218 | |
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3 days of HPDE and calipers destroyed? In what way? Cracked pistons?
So what is the final conclusion of this? What I want to know is - Does the piston only cracked because of an incompatible pad with a custom backing plate? Aftermarket pads made specifically for the 135i brakes should be okay then, right? - Does the seals still melt away under high heat usage? What is the implication of a melted seal? - So, in summary, does the 135i brakes stand up to track usage as good as other OEM brakes from similarly priced vehicles out there? (Evo X/STi or even Caymans/M3s)? Quote:
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05-17-2010, 04:23 PM | #219 |
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I don't think that is necessarily the case. I believe someone reported cracked piston tops with OEM brake pads.
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05-17-2010, 04:31 PM | #220 | |
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2. Yes, my rubber dust seals were cooked. This is pretty much the case for all dust boots I've ever had though. There's a reason race brakes don't have them. 3. I cannot comment on Evo or STi brakes but they seem to not hold up as well as Porsche Brembos, based on my experience. If you want to use the OEM brakes on a track, definitely get the Titanium plates and plumb some cooling ducts if possible, or prepare to back off in the braking zones. |
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