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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > Estimate of 1/4 Mile time



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      01-04-2020, 10:02 PM   #1
theOkilla
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Estimate of 1/4 Mile time

Hello, I'm looking to get an estimate of a quarter mile time that my car would do or what those with similar cars have done. I didn't see the exact set up via search which is why I posted here.

2007 335i Coupe
FBO w/ MHD v8.1 e50 tune
430whp/500wtq

265 rear and 235 front Michelin Pilot Sport 4S Tires
Wavetrac Limited Slip differential

I'm hoping to get into the 11s for the quarter mile.

Thanks for any information or advice.
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      01-05-2020, 04:34 PM   #2
Sgop335
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Should be in the 11s w good trac. Are you happy w the 8.1 map?
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      01-06-2020, 10:42 PM   #3
theOkilla
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Quote:
Originally Posted by Sgop335 View Post
Should be in the 11s w good trac. Are you happy w the 8.1 map?
v8.1 has been amazing so far, much smoother power delivery. I also gained abour 40whp/50wtq at 4k RPMS. You get much more power without having to rev it out to higher RPMs.
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      01-08-2020, 10:52 AM   #4
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Stick or manual?

Should be around 11.9-12.3
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      01-08-2020, 08:20 PM   #5
theOkilla
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Originally Posted by NoGuru View Post
Stick or manual?

Should be around 11.9-12.3
Automatic with XHP Stage 3 tune
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      01-16-2020, 08:48 PM   #6
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You have everything for an 11 second pass. Just make sure your 60 is good.
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      01-17-2020, 08:59 AM   #7
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Good 60' = 11s.

Bad 60' = mid 12-13

All comes down to launch. Try 2nd gear too.

Trap speed really tells you how fast the car is. You should be approaching 120.
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      01-17-2020, 09:52 PM   #8
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At the drag strip, how much improvement is a true LSD like the wavelock vs the factory e-diff setup? Does it really make much difference at the dragstrip? Or is it mostly an improvement for cornering at the track.
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      01-24-2020, 08:04 PM   #9
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Quote:
Originally Posted by iqraceworks View Post
At the drag strip, how much improvement is a true LSD like the wavelock vs the factory e-diff setup? Does it really make much difference at the dragstrip? Or is it mostly an improvement for cornering at the track.
i have the racingdiffs lsd kit and it was definitely an improvement. Easier to control the launch and 60' and the 330' was a definite improvement. Even when it spins the tires you can stay in it more since it doesnt pull hard to the right like it used to do where i had to lift to keep it straight.
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