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BMW 3-Series (E90 E92) Forum
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E90 HPDE prep?
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12-16-2015, 09:08 PM | #45 |
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Might want to include an in-cabin camera to be able to review sessions. Also helps to determine if you're turning your head before turning the wheel. If intercom audio can be jacked instead of using a separate mic, so much the better.
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2011 E90 328i 6MT, BMW Aero, CF hood/boot, PI+CAI+RM+3IM+BPC, SS+CI528+ThermoTec+SS#1+2XBurns, AKG 75D eng/trans, Al/Delrin diff/RS, CM 850, UCP, CAE, AKG DSSR, DiffsOnline 3.91 30/90 LSD+BW cooler, C&R, Setrab, Accusump, AST 3-way+Swift, Aurora PR+BW spherical, Vorshlag CPs, M3 brace+UR bar, ARC-8 18x8.5, 255 R1R, RB/CSL rotors+cooling, 135i calipers, RS29, RT700, Safecraft, OMP HTE-R+804F+QD Superquadro, 6pt cage+FIA, Braille, RT DL1Mk3
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12-17-2015, 08:56 AM | #46 |
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+1 for in-cabin video. Lots of people just want to get cool shots from outside the car to post on youtube but in my experience having a shot from inside the car that shows your hands and your head, even if it's not the best view of the track and the line your taking, has been a real eye-opener. Even though it felt like I was being really smooth with my steering inputs, going back and watching the video revealed just how erratic and jerky I was being with my hands. You obviously can't be looking at your hands going around a corner so I never would have picked that up if not for the video.
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12-23-2015, 10:51 AM | #48 |
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Stoptech street performance brakes work really good around town, much better than OEM. Only thing left is replacing the upper control arms and I'm ready to have fun on the track!
I get more serious I'll just swap out to track pads the night before. Literally takes under 30 minutes to swap all 4 corners being lazy. Last edited by Riick; 12-23-2015 at 11:20 AM.. |
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12-23-2015, 04:36 PM | #49 | |
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its at least an hour for me start to finish... and thats not really being lazy... |
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12-25-2015, 03:49 PM | #50 |
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Yes, I agree. Under 30min is impossible unless you have a lift and air driven tools. Especially impossible if you are working on stock sliding calipers that you need to remove in order to remove the brake pads.
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12-28-2015, 01:47 PM | #52 | |
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12-28-2015, 04:13 PM | #53 |
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Old mechanic trick I learned a long time ago:
Literally grab the caliper while it's still bolted to the car and pull it outwards after you take the tire off. It will slide on the pins as designed and press in the piston. If you're a little guy put your foot on the hub and use both hands. You'll feel the piston slide in. Now the caliper comes right off when you remove the two bolts and the new pads go on without effort. And use power tools. Last edited by Riick; 12-28-2015 at 04:19 PM.. |
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12-28-2015, 05:00 PM | #55 | |
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12-28-2015, 05:35 PM | #56 | |
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12-28-2015, 05:41 PM | #57 |
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12-28-2015, 05:45 PM | #58 |
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I ran the green on my SC300 1jz single turbo car (street only) for years. They were perfect.
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12-28-2015, 11:17 PM | #59 | |
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12-28-2015, 11:19 PM | #60 |
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12-28-2015, 11:25 PM | #61 | |
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Now, Road America may be the hardest tracks in the country on brakes, but when the yellows went away, they really went away. |
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12-28-2015, 11:32 PM | #62 | |
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1-vehicle weight 2-driving style Although, I don't have experience with the yellows I must say that I wouldn't be surprised if they lasted as long as couple of weekends at RA on another e9x or as short as couple of laps. |
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12-29-2015, 12:51 AM | #63 |
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My ebc yellow was crumpling away at Gingerman Raceway back in 2014. My second time at the track. And that was the rear brakes and I was running PFC 01 at the front. I do push the car pretty hard however, and was lapping at 1:47 ish and sub 1:50 when I get the tires warmed up.
I can't imagine yellow would even last a day at RA while running the car at full speed. I was just there back in Oct and burning through a brand new of PFC08 in just a day and half while running 2:37-2:40 a lap without traffic.
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12-29-2015, 01:02 PM | #64 |
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12-29-2015, 01:04 PM | #65 | |
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12-29-2015, 08:48 PM | #66 |
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Dayum! Never seen wear on Carbotech pads like that, wow, must not be useful for track duty at all.
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2011 E90 328i 6MT, BMW Aero, CF hood/boot, PI+CAI+RM+3IM+BPC, SS+CI528+ThermoTec+SS#1+2XBurns, AKG 75D eng/trans, Al/Delrin diff/RS, CM 850, UCP, CAE, AKG DSSR, DiffsOnline 3.91 30/90 LSD+BW cooler, C&R, Setrab, Accusump, AST 3-way+Swift, Aurora PR+BW spherical, Vorshlag CPs, M3 brace+UR bar, ARC-8 18x8.5, 255 R1R, RB/CSL rotors+cooling, 135i calipers, RS29, RT700, Safecraft, OMP HTE-R+804F+QD Superquadro, 6pt cage+FIA, Braille, RT DL1Mk3
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