02-01-2019, 08:10 PM | #45 |
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02-26-2019, 12:33 AM | #46 |
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Drives: MW Vespa w/pink racing stripes
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Anyone have any thoughts on why this is happening? While in LC, I let off brake and she there's a decent amount of slippage - then the car shifts to 2nd as we start to go and we take off... In second... =/
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02-26-2019, 08:20 AM | #47 |
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If you launch on a cold road with a lot of boost the trans will quickly shift into second to mitigate the spin....on a cold road, get the tires hot and launch as soon as you see the flags light.
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02-26-2019, 12:37 PM | #48 | |
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Overall pretty happy with the car - 3.1x and 3.2x with slipping and taking off in 2nd gear is not too shabby... |
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03-11-2019, 03:27 AM | #49 |
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Exhaust: Eisenmann upper D/P & Akrapovic evo
Intake: BMC filter Suspension: only KW H.A.S ECU: Gene's stage II Wheel power & Torque: 690PS and 99.5 kg.m Tire: PS4s Last edited by js.chang; 03-11-2019 at 05:23 AM.. |
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03-11-2019, 07:30 AM | #50 |
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03-11-2019, 01:10 PM | #51 |
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Stage 2 dme tune and DP
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2018 F90 stage 2 dme w Keller performance dp
2018 X5m dme tuned 2015 650 vert dme tuned 2012 750i M Sport JB TUNED- Current 2010 135 vert JB Tuned - retired |
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03-11-2019, 03:29 PM | #52 |
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You're not far from me, I notice you have some high slope readings too..well not really high but Dragy considers them high. Vbox had higher slope allowances that it would accept as "vaild"
Do you ever have problems getting accurate readings? I normally run on the same section of road and depending on the day and time sometimes it will read very differently, nearly 3% difference and clearly the road isnt changing. |
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03-11-2019, 03:30 PM | #53 | |
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2018 X5m dme tuned 2015 650 vert dme tuned 2012 750i M Sport JB TUNED- Current 2010 135 vert JB Tuned - retired |
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03-11-2019, 05:51 PM | #55 |
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Mine does the same thing. I start at the exact same power pole every time I use it so I can get consistent tests on parts. I've seen -0.3 to -1.2 slope. Soooooo, it's not perfect.
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03-11-2019, 07:05 PM | #56 |
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Turnpike is the best in my opinion. So far no issues with my draggy
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03-19-2019, 08:17 AM | #57 |
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Drives: 2023 M5C
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03-27-2019, 03:54 PM | #58 |
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Completely stock: 3.03 sec 0-60 (2.85 sec with 1 foot rollout)
JB4 stage 2 and xpipe: 2.78 sec 0-60 (2.6 sec with 1 foot rollout). My pirelli sottozero winter tires spun a bit in first gear. Full tank of gas. 40f temp. And car seats in the back 😂😂 I'm pretty sure I can get a 2.6x run in better circumstances.
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03-27-2019, 04:25 PM | #59 |
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That 40 degree air temp is deceiving too. The ground is still frozen here, I can't get some broken tree limbs out of the dirt still, even with an air temp of 55f. With summer tires and a warm highway you'll do much better.
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03-27-2019, 07:15 PM | #60 | |
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Are you running any boost limits in first gear? |
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03-27-2019, 08:55 PM | #61 | |
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For those wondering yes we're planning on doing up ab E85 fuel system for the F90 in the future. Just waiting for more vehicles to turn up out there so the economics make sense for production. |
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06-22-2019, 09:30 PM | #62 | |
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07-04-2019, 05:50 PM | #63 |
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01-16-2023, 09:44 AM | #64 |
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Got my dragy last week. Non LC results on 91 octane with Racechip, 2018 M5. 0-60 3.3 sec. 1/4 mile run 11.17 s (0-60 was 3.45 s on this run). This was just hold brake, push throttle to get some boost and go. I'm ready to try launch control next. Thoughts on these non LC numbers? How much will LC drop the times?
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01-16-2023, 07:27 PM | #65 |
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22 M5 Competition Stock with E25 mix. My only pass after the break in service. I did get some tire spin from the front tires. I'm gonna try again for a 10.6x. The best I could do on 91 was 11.05 at 126.xx before the break in service. I test at the same location everytime.
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01-16-2023, 08:08 PM | #66 | |
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