09-15-2021, 08:08 PM | #67 |
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09-15-2021, 08:14 PM | #68 | |
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I now just need to pull the trigger on M&H tires, as M/T has been having me wait since 11/2011. It spins but it still has some decent forward momentum. Can wait to full get traction. |
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09-15-2021, 09:40 PM | #69 | ||
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09-16-2021, 12:55 PM | #70 |
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09-16-2021, 03:34 PM | #72 |
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Do you mean lowering the shift point? The car shifts early when DTC kicks in (my car does the same thing). Leaving it in auto might let the car optimize but i would be curious if doing the same launch in manual mode with DTC but intentionally upshifting later (closer to 6k in 1-2, 2-3) would be faster. It might be worse then you would be fighting DTC even more, though.
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09-16-2021, 05:20 PM | #73 | |
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09-16-2021, 05:52 PM | #74 | |
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In terms of drive mode, you definitely need to be in sport or sport+ if you have XHP to get the fastest shift speeds, particularly in manual mode. There lots of discussion in the XHP thread(s) around the fact that the car actually responds slower to manual shift inputs (paddle or shifter) in comfort with XHP than without XHP, because of the way it changes the mapping. Its extremely noticeable when you manually shift. Not entirely sure if there is any difference between sport and sport+ but a huge difference between either and comfort. I have custom shiftpoints in XHP also but when i was talking about manually shifting instead of leaving it in "S" (shifter to the left) and sport +, i was just speaking to controlling the 1-2 and 2-3 shift rather than having it auto upshift early due to spinning/DTC. I've never heard sport+ isnt the fastest shift speed so I'm curious to know where you read that since it goes against everything i have ever observed or seen reported. On XHP stage 3 for me there is a huge difference between comfort and sport+, especially when the shifter is to the left. |
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09-16-2021, 06:15 PM | #75 |
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not sure you can control where the trans shifts at wot if you are in kickdown mode can you?
so of you launch with launch control you'd have to back off the throttle to disengage kickdown in order for the trans to auto shift at the set wot shift points.. am I wrong?
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09-16-2021, 07:10 PM | #76 | |
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Does LC require the kickdown to be depressed or just 100% pedal input? I've literally only used it once and it was like 3 years ago when my car was stock lol. EDIT, maybe not using MAX RPM setting. Per XHP: "Max. RPM Enables users to setup their own shift points for WOT. (= Wide Open/Full Throttle). “Max. RPM” can be setup separately for D, S and M mode. Please note, these values are only used when not activating the Kickdown. (threshold at the end of the throttle travel)" However maybe you can use the shiftmap editor and use the % slider for upshifts to achieve the same thing? It doesnt say depressing kickdown resets those. |
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09-16-2021, 07:12 PM | #77 |
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When i say s mode i mean shifter to the left. I think thats a given for fastest times.
I saw a member on here say that 1st gear should be shifted at 4500, second at 5500, and the rest at 6000. No idea the reasoning. But would be interesting to see the times. I cant find where i saw something about comfort mode being the best. Ill have to dig that up. I think they said it was the combination of comfort and traction all the way off. Lastly, my dtc never kicks in going in a straight line. Probably because i have x drive. |
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10-20-2021, 01:20 PM | #78 |
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Phantom10R curious your thoughts on this: https://www.instagram.com/jq_f22/
was linked from this thread: https://f30.bimmerpost.com/forums/sh....php?t=1867722 Guy there is claiming stock HPFP but his fastest time/mph exactly match a 2 series in your spreadsheet under a slightly different name with FX-150? I dont have insta nor follow these types of things but something looks suspicious. |
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10-20-2021, 04:11 PM | #79 | |
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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10-20-2021, 04:15 PM | #80 |
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I think he clarified it. He originally said 11.29 was on stock fuel system but i guess the 11.59 was on stock fuel system then he later upgraded HPFP, so he was just quoting the wrong number. Also i guess his name changed or something.
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10-20-2021, 04:47 PM | #81 | |
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crazy numbers and not the first I've seen with the 1 and 2 series cars.
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10-20-2021, 06:38 PM | #82 | |
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10-20-2021, 07:34 PM | #83 | ||
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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10-20-2021, 08:02 PM | #84 | |||
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10-20-2021, 09:55 PM | #85 | ||||
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2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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10-21-2021, 10:45 AM | #86 |
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Going to the strip tomorrow night. Excited to get the first 6MT time on the board. Anyone have suggestions/experience related to launching a 6MT/RWD car?
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10-21-2021, 05:12 PM | #87 |
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all depends on thentire and the track etc.
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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10-21-2021, 05:46 PM | #88 |
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Terrible drag racing tire. 245/30/20 MPS4S. Track is usually prepped alright. I can get away with "dumping" the clutch at 2.5k on the street with minimal wheelspin. Probably gonna start with that and go from there.
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