12-11-2023, 06:58 PM | #1 |
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Racingbrake Kit Review
Has anyone used the kit below and could provide feedback on the piston fitment, how well everything holds up to track use and their customer service?
https://racingbrake.com/bb-43bsp/ |
12-11-2023, 07:15 PM | #2 | |
ECUTek Master Tuner
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Drives: F80 M3 YMB
Join Date: Jul 2017
Location: Colorado Springs
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I just bought their kit for the rear calipers, will be rebuilding this winter. I have used RB's SS piston and seals in the past before on my old Evo and they worked very well.
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12-11-2023, 09:10 PM | #4 |
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1 season (12-13 track days) in, along with use as daily driver in the northeast, after rebuilding front and rears with their kit using high-temp boots, and the front boots look virtually brand new. For reference on front i went thru one set of PFC11s and put i think 2 days on the next set before season finished
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12-12-2023, 09:30 AM | #8 |
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The RB pistons/seals/dust boots are a worthwhile upgrade for the blue brakes, especially when combined with the Girodisc rotors
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12-12-2023, 09:43 AM | #9 |
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They are nice with good fitment. I also paired them with girodisc titanium brake shims.
I have some pics of them on my instagram.
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F80 M3-DCT MaxPSI CH, BM3 with F80 Paul E85 and Custom Rom track tune MCS 2Way Remotes
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12-12-2023, 12:23 PM | #11 |
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I thought the blue brakes have the SS pistons already? I know the 6 piston have SS and thought the gold 6 piston are titanium? I got the high temp set for tracking like sly1types got and had a set of titanium shims made. I can have a set of titanium shims made for either 6 or 4 piston brakes.
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12-22-2023, 07:44 PM | #12 |
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Update: kit received and calipers rebuilt. All went according to plan until bleeding. First time on an F8x but have bled brakes on at least 15 other bmws. No issue. In this case i pressurized to 15 psi; cracked the bleeder, fluid came out for 3 seconds then stopped. Same thing all 4 corners. I could not get it flowing like it should. What am I missing?
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12-22-2023, 10:53 PM | #14 | |
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Might seem like a dumb question: did you make sure the pressure was holding at 15 psi? there are two bleeders for the front brakes. Did you bleed them both? |
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12-23-2023, 11:52 AM | #16 | |
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If using Ti shims be diligent about fully spreading the pistons to avoid the shim slicing the boot when inserting. (insert shim b/f pad). This may have contributed to my boots failing prematurely...although let's just pretend that I toasted them with my pro level driving skills. |
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SYT_Shadow11490.00 |
12-26-2023, 12:19 AM | #18 |
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Excellent rebuild kit for blue calipers. Domed steel pistons are a huge upgrade that will minimize heat transfer to the calipers. Addition of high temp dust shields and Ti backing plates are also worth it if upgrading the blue calipers.
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01-02-2024, 03:40 PM | #19 |
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I am making TI shims for BOTH 6 AND 4 piston BMW F8x calipers for sale. This is a bit premature but I don't have a price now. They should be <$100 per end, F/R for either. Prototype in hand below.
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mike082802114.00 |
01-02-2024, 04:12 PM | #20 |
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so now the CCB calipers have the blue seals available? Cool!
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01-02-2024, 04:13 PM | #21 |
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What’s the thickness of your Ti plates? Is it possible to install them with new full thickness pads?
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01-03-2024, 07:09 AM | #22 |
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SYT_Shadow I replaced them with the above kit after easily melting them at Road Atlanta...hense Ti plates and cooling ducts. Yes, my steering ball joint will melt with no shroud...
M3SQRD They will be 2mm or less (lower RH corner of the plate) and yes they should be able to be installed with OE thickness pads but some manufacturers make different thicknesses. |
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