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05-17-2014, 08:41 PM | #45 | |
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08-22-2014, 07:01 PM | #46 |
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Jafo, how has the caliper rebuild been holding up? Is the heat transfer to your dust boots, calipers and brake fluid reduced or about the same? Do the RB's feal or react any different than stock brake pistons?
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
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02-04-2015, 06:05 AM | #47 |
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Spring 2015 Update: Installed custom brake cooling ducting attached to my stock E82 brake dust shields. Got rid of the F30 brake shields. Installed N55 catless downpipe and custom PTF/Cobb stage agressive tune ...
See my cooling duct pictures here ... http://www.1addicts.com/forums/showp...0&postcount=57
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
Last edited by dcaron9999; 02-13-2015 at 02:28 PM.. |
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03-06-2015, 02:23 PM | #48 | |
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03-10-2015, 11:00 PM | #49 | |
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I got injured last fall so may not be able to do any more track days till late this fall. Odds are though I'll have to wait a year to completely recover, so won't be able to update any further on the durability of the RB kit. Still adding upgrades to my 135i though. Adding a limited Slip diff later this month. Car should be that much better the next time I'm able to hit the track. Last edited by jafo1701; 03-10-2015 at 11:07 PM.. |
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03-11-2015, 02:58 PM | #50 | |
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Thanks for your feedback. RB pistons and high temp dust boots are on my short list. My stock dust boots are crumbling to pieces, but Im not in a hurry to change them, as pistons are still intact. Ive just added DIY cooling ducts to front brake dust shields during the off season... http://www.1addicts.com/forums/showp...0&postcount=57
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
Last edited by dcaron9999; 03-11-2015 at 03:03 PM.. |
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03-11-2015, 06:58 PM | #51 | |
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You'll have to let me know how they work for you. I'll still be updating my car even though it won't be tracked for a while. Maybe add this on things to do. I'm pretty hard on my brakes. |
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03-15-2015, 05:58 PM | #52 |
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Hey just wanted to update you apparently the seals failed on my RB kit. This past weekend I went to take the car out for the first time and the brake pedal hit the floor. Checked the reservoir and it was empty. Took my Calipers off and brake fluid was leaking out from the pistons. This happened on all 4 of the Calipers. Which is a double whammy because with the high temperature dust boots being all exposed to brake fluid they are now all useless. I'm trying to get a hold of RB to see if they will send me some new seals and dust boots. If not I'll just rebuild em with a stock rebuild kit using the RB pistons.
Not sure how or why it happened. They held up perfect over the spring/summer/fall and all those track and autocross days, but failed over long term storage. I'll see what RB has to say. |
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03-15-2015, 06:35 PM | #53 | |
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I had high hopes for the RB rebuild kit. Keep us informed on how they address this! I know they say we must be careful not to put brake fluid on the boots when installing, but it sounds as you were careful not to run into this situation. The fact that you tracked for a full reason with good results would prove it. Sounds like RB are not the "end all" ideal solution for our overheating stock calipers... ;-(
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
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03-18-2015, 10:26 AM | #54 | |
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Mine failed twice. Winter 2013 and Winter 2014. They worked well all year, and then bailed in the winter. First time they failed RB sent me new boots and seals (as they changed up the sizing), and last November they wanted me to send in my calipers, and I was not able to, as its my daily driver. So i just ended up rebuilding with the OEM pistons and got new boots and seals from BMW. For me, as soon as the temp outside fell below 35, they let go. I got a new track car now, haven't been tracking much with the 135i, but will move to stoptech's at some point when I want to bring it back to the track. |
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03-18-2015, 01:46 PM | #55 | |
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03-18-2015, 02:02 PM | #56 | |
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Not off hand, but found this on GetBMWParts: http://www.getbmwparts.com/parts/201...&siteid=214672 After two failures, I didn't want to chance putting OEM seals on RB's pistons. I am tired of rebuilding pistons, needed to do them for the 911 last summer too! |
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03-18-2015, 10:12 PM | #57 |
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^ You surely must be sick of rebuilding.
Turns out that link only contain the dust boots. The part # for the seals appears to be awfully elusive. |
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