Any idea what she'll do in 1/4?

I know the 3.0 isn't as quick as the other X's, but I've stomped enough people in mine to know it's no slouch either and I've always been curious what actual 1/4 mile times are. I've read reports of 15.8 and 16.1, but no real world testimony.

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2005 ///M3 Competition / Interlagos Blue-Black /6spd/SS Race Exhaust/Angel Eyes/Passport HW/Mich. Super Sports Soles (love em)
2008 ///M3 Melb Red w/ Beige Novillo, Tech, Prem, & 19" (Retired)
2005 X5 4.4i Estoril/Grey Sport, Nav, DSP, Prem, Pano, etc. (Wifey's)
2007 335i Silver/Black SP,PP,CWP, Comfort access, & Sirius (Retired)
2001 X5 3.0i (Retired) Silver/Gray Sport w/19"/Prem/DSP/CWP
2002 YZF600R (Retired)