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BMW 3-Series (E90 E92) Forum
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Just got back from the track.. Mid 12's stock?
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05-19-2012, 02:15 PM | #2 | |
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We used to have two tracks in my city and one would consistently give 2.5mph higher trap speeds. P.S. quit bragging, 1.93 isn't a horrible 60' if you're on normal street tires! |
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05-19-2012, 02:26 PM | #3 |
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Wow that's really good, I'm assuming the DCT may have assisted you in achieving such a great time and trap.
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05-19-2012, 02:27 PM | #4 |
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Were the JB4/Procede cars z4's like yours?
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05-19-2012, 02:29 PM | #5 |
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Gas? Tires?
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05-19-2012, 02:35 PM | #7 |
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My best stock for a 2008 e92 MT on stock RFTs and pump gas was 13.31 @ 104.6. And I had probably 100 passes stock (granted MT on RFTs is no easy task to launch). If you did a 12.7 @ 108 that would be ridiculously awesome.
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05-19-2012, 02:36 PM | #8 |
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Half a tank. DCT. One of them was a Z4 35i. Not an is like mine.
Kumho SPT's. I just honestly think if I got a 1.7 60ft.. I'd get a 12.6 or maybe even a 12.59 or something.. I feel the potential the car has, and the DCT does wonders. One run.. I did a 2.087 60ft.. ran a 12.98. Dropped it to a 1.93, then ran a 12.789. I did run another 12.796 but with a 1.98 60ft. |
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05-19-2012, 03:20 PM | #9 |
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Congrats on the good times!
The "is" cars are normally are faster then an "i", are they not? And how much do the Z4's weigh anyway?
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05-19-2012, 03:24 PM | #10 | |
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Well they are faster, but not by much. i don't see how I can trap 108. I even trapped 109 on one run! When the stock DCT Z4 35i there was trapping 103, then plugged in his JB4 and ran a 107 trap. 5 miles an hour difference? |
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05-19-2012, 03:57 PM | #12 |
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I think it makes sense given the boost levels of an IS.
Here's my dyno log of my 335i N54 on Map 0. 7.5psi max tapering to 4.4psi at redline. What does an IS boost? I hear 12-14psi max tapering to 7-8psi at redline. Plus this in a little Z4 with a 7-speed DCT.
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05-19-2012, 05:09 PM | #13 |
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The time slip is at home, I'll take a pic when i get off work in about an hour. But I remember it very nicely.. 1.93 60ft, 8.2 1/8th mile, 93mph? 1/8th, 12.789 at 108.14mph.
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05-19-2012, 05:13 PM | #14 |
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R&T ran 12.9/109.99 so its in range.
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05-19-2012, 05:31 PM | #16 |
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They do a roll out. Which can help considerably with the DCT as mash-the-pedal mode shoots the RPMS up like crazy, giving an insane launch.
The track is very accurate, there was other N54 cars running there at the time. A stock 335i ran a 13.3 at 103 with a 1.9 60 ft. |
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05-19-2012, 06:11 PM | #17 |
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....
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05-19-2012, 09:25 PM | #18 |
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05-20-2012, 06:58 AM | #19 |
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i just read ...and the z4'' is'' 2011 ...as higher boost level stock...so it could be possible
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05-20-2012, 11:54 AM | #21 | |
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05-20-2012, 12:12 PM | #22 |
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