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04-10-2019, 11:39 AM | #1 |
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Different Take on Brake Cooling Ducts
After installing a CSF Oil Cooler designed for the E46 M3 with custom AN lines, I no longer had enough space in the lower grill to mount brake cooling ducts. Faced with this dilemma, we decided to try something a bit different and mount the ducts to the plastic skid-plate under the engine.
This is using basic NACA Ducts, Cooling Tubes and Bimmer World backing plates (E46 M3). After 3 test days on track, one with 83* Fahrenheit temperatures, I can say that fade is definitely down from last year. Compared to last year, I am getting far less fluid boiling and have a more consistent pedal, especially going into hard braking zones. While my pad wear has not improved at all, I am also running quicker lap times due to other suspension upgrades so perhaps pushing the car harder. Hope that others find this useful and I will report back with more data like pyrometer temperature readings as I get them. Please pass along feedback/data if anyone has tried this setup before!
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1995 E36 M3 | BMW CCA Club Racer - IP #34 | Gray / Blue / Orange | 261WHP | 2,700lbs
2013 E92 M3 Competition 6MT Slick Top | AW / Fox Red | 2006 E86 M Coupe | Silver Gray / Imola | JRZ RSTWO | APR Aero | Sparco Seats/Belts | Weichers Cage Gone: 2017 Audi Q7 | 2011 E93 328i 6MT | 2014 Audi A6 | 2010 VW CC 2.0T | 2011 G37 S Coupe 6MT | 2004 G35 Coupe | SW20 MR2 Widebody Turbo Last edited by Azeka1; 04-10-2019 at 11:45 AM.. |
04-10-2019, 12:27 PM | #2 |
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I like it! very simple and clean. What did you use for the plenum to connect to the cover?
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04-10-2019, 12:59 PM | #3 | |
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I think these were the ducts we used, unfortunately I did not personally make the order on them: https://www.pegasusautoracing.com/pr...p?Product=3628
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1995 E36 M3 | BMW CCA Club Racer - IP #34 | Gray / Blue / Orange | 261WHP | 2,700lbs
2013 E92 M3 Competition 6MT Slick Top | AW / Fox Red | 2006 E86 M Coupe | Silver Gray / Imola | JRZ RSTWO | APR Aero | Sparco Seats/Belts | Weichers Cage Gone: 2017 Audi Q7 | 2011 E93 328i 6MT | 2014 Audi A6 | 2010 VW CC 2.0T | 2011 G37 S Coupe 6MT | 2004 G35 Coupe | SW20 MR2 Widebody Turbo |
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04-11-2019, 02:48 AM | #4 |
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Prototype done, gonna test fit this weekend and figure out some kind of bracket. It's a little rough in the picture because it is printed on a low setting.
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| BMW Z4 M Coupe -06 | BMW M3 -02 | BMW Z3 Coupe -99 | BMW 740i/6 -96 | BMW M5 3.8 -92 | BMW M535i -87 Last edited by Westersund; 04-11-2019 at 02:54 AM.. |
04-11-2019, 05:39 AM | #5 |
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This is great! And assuming that the tubing will not interfere with the front wheel when connected to it?
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1995 E36 M3 | BMW CCA Club Racer - IP #34 | Gray / Blue / Orange | 261WHP | 2,700lbs
2013 E92 M3 Competition 6MT Slick Top | AW / Fox Red | 2006 E86 M Coupe | Silver Gray / Imola | JRZ RSTWO | APR Aero | Sparco Seats/Belts | Weichers Cage Gone: 2017 Audi Q7 | 2011 E93 328i 6MT | 2014 Audi A6 | 2010 VW CC 2.0T | 2011 G37 S Coupe 6MT | 2004 G35 Coupe | SW20 MR2 Widebody Turbo |
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04-11-2019, 03:00 PM | #6 |
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Using a naca duct under the tray is a pretty cool idea. I've seen it done before. It has the added benefit of drawing air from under the car where you don't want it. Some have also used a naca duct to blow air at the oil pan for additional oil cooling. My only concern with it is whether it would get a forced air effect to push through the rough corrugated tubing.
Those stock location ducts are a bit difficult due to the routing of the tubing. Nice looking bits though. |
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04-11-2019, 04:42 PM | #7 | |
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If possible and if you have any, can you share your brake temperature data measured immediately coming off track? I realize that you have a BBK but would be good to compare none the less.
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1995 E36 M3 | BMW CCA Club Racer - IP #34 | Gray / Blue / Orange | 261WHP | 2,700lbs
2013 E92 M3 Competition 6MT Slick Top | AW / Fox Red | 2006 E86 M Coupe | Silver Gray / Imola | JRZ RSTWO | APR Aero | Sparco Seats/Belts | Weichers Cage Gone: 2017 Audi Q7 | 2011 E93 328i 6MT | 2014 Audi A6 | 2010 VW CC 2.0T | 2011 G37 S Coupe 6MT | 2004 G35 Coupe | SW20 MR2 Widebody Turbo |
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04-14-2019, 03:17 PM | #8 |
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If you're willing to share CAD files for this, I can trade you a custom baseplate + upright setup for getting the Bimmerworld Ultralight wing that I'm putting on next week (67" length, 11 3/4" chord)
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04-15-2019, 06:01 AM | #9 |
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The BW Wing is awesome, this sounds interesting!!
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1995 E36 M3 | BMW CCA Club Racer - IP #34 | Gray / Blue / Orange | 261WHP | 2,700lbs
2013 E92 M3 Competition 6MT Slick Top | AW / Fox Red | 2006 E86 M Coupe | Silver Gray / Imola | JRZ RSTWO | APR Aero | Sparco Seats/Belts | Weichers Cage Gone: 2017 Audi Q7 | 2011 E93 328i 6MT | 2014 Audi A6 | 2010 VW CC 2.0T | 2011 G37 S Coupe 6MT | 2004 G35 Coupe | SW20 MR2 Widebody Turbo Last edited by Azeka1; 04-15-2019 at 12:17 PM.. |
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04-15-2019, 09:52 AM | #10 |
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Sorry, making brake cooling ducts is kind of my thing and I run a business with my brother. I don't want to put in a lot of effort and money and then let it go for free. I might share other stuff in the future though.
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04-17-2019, 04:22 PM | #11 |
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I'll make a separate thread about the wing mounts in 1-2 weeks when wing is mounted and track tested. I have a set of one-off front brake ducts too that use the OEM location scoops + HARD motorsport duct hose kit + a bunch of extra elbows, it seems to work but looks very... improvised.
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04-27-2019, 01:55 AM | #12 |
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Yo westersund, Im looking forward to seeing those brake ducts, i need a set. I have my backing plates and hoses ready to go!!
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04-27-2019, 04:21 AM | #13 |
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Been busy with other stuff the last week, I'm gonna testfit the duct today and figure out the design of the brackets needed.
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| BMW Z4 M Coupe -06 | BMW M3 -02 | BMW Z3 Coupe -99 | BMW 740i/6 -96 | BMW M5 3.8 -92 | BMW M535i -87 |
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04-29-2019, 06:35 PM | #14 |
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Pardon my ignorance, but what are those dingle berries around the I.D. of the back of the rotor?
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Warning: May contain traces of nuts.
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05-11-2019, 03:14 PM | #16 |
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Test fitted the brake duct today, it fits fine. I only test fit the passenger side and the horn have to be relocated a little. Now I'm gonna design a bracket.
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| BMW Z4 M Coupe -06 | BMW M3 -02 | BMW Z3 Coupe -99 | BMW 740i/6 -96 | BMW M5 3.8 -92 | BMW M535i -87 |
05-13-2019, 06:37 PM | #17 |
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07-13-2019, 07:47 PM | #18 |
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Updates?
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07-14-2019, 01:39 AM | #19 |
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Picked up brake shields and brackets for 5 kits at the laser cutters 2 days ago. I will print brake cooling ducts on payment. I'll post a thread within a few days in the classifieds section.
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BMW M2 LCI -18 | BMW 520DA Touring M-Sport -12
| BMW Z4 M Coupe -06 | BMW M3 -02 | BMW Z3 Coupe -99 | BMW 740i/6 -96 | BMW M5 3.8 -92 | BMW M535i -87 |
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07-16-2019, 04:19 AM | #20 |
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I just posted a thread in the classified section about this kit.
https://www.zpost.com/forums/showthread.php?t=1634387
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BMW M2 LCI -18 | BMW 520DA Touring M-Sport -12
| BMW Z4 M Coupe -06 | BMW M3 -02 | BMW Z3 Coupe -99 | BMW 740i/6 -96 | BMW M5 3.8 -92 | BMW M535i -87 |
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