From a performance standpoint, is it significant whether running e.g. XP/32, Win7/32, Win7/64, Win8? Does it really make much difference in time to update the car's parameters? I was thinking of using an old laptop with XP/SP3 but if it would be so much faster with Win7/64, I would try that instead.
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2013 x35i (Space Gray, MSport, CW/CWII, DHP, Premium, Premium Sound, Technology, BMW-Apps)
Retired: '09 C300 4Matic, '09 GTI, '06 750i, '05 C55, '04 R32, '03 M5, '02 GTI, '01 M5, '00 M-Coupe, '00 540i/6, '99 M3 Coupe, '98 M3 Coupe, '96 328i,... '86 4000 CS Quattro... too many to list.
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