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Old 08-17-2012, 08:52 PM
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dunderhi dunderhi is offline
0-60 in 4 secs or less!
Location: MD
Join Date: Dec 2006
Posts: 6,150
Mein Auto: '13 X5M, 650xi
Originally Posted by Richard109 View Post

Stock I averaged 13.4674 @ 105.77
Stage 2 I averaged 13.1362 @ 107.72

So for 100 extra hp and 130 lbs of torque I shaved .3312 off the qtr mile and picked up 1.95 mph.
Man, I feel for your situation. I tried a couple of online horsepower calculators:

ET-based: 420hp
Trap-based: 480hp
Average: 450hp

ET-based: 453hp
Trap-based: 507hp
Average: 480hp

It looks like your car is still down on power for some reason. Have you checked your air filters? Are you running 93 Octane?

My car:
ET-based: 476hp
Trap-based: 529hp
Average: 502hp

You can also put your 1/8th times into one of these calculators to get a 0-60 estimate.

2013 X5M ........ 2013 650xi ...... 2011 550xi (ret) 2011 335d (ret)
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