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Anyone own Performance Box
Thinking about purchasing the radio logic performance box. Not sure if anyone here has had a run with one. I hear there great to measure 0-60, 1/4 miles times etc. Selling my 04 4.8is and purchasing an 06 and putting Dinan S2 on it. Would be interesting to do a comparison on everything to see real horsepower gains.
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Current
2006 BMW X5 4.8is Dinan S2 Black on Black

Retired
2004 BMW X5 4.8is Black on Cream
2001 Bmw X5 3.0
2006 Bmw 530i
1996 Bmw 328is
1994 Toyota Landcruiser
1989 Bmw 535i
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