Quote:
Originally Posted by FSociety
Nice results for Exx
Stock F85 X5M run 12.1-2 @ 112-115 on good weather, seen them running 12.1 with Dinan Stage1 on 75F & higher humidity.
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S63 vs S63TU. I'd rather spend 1/4 the money modding my current X5M vs paying for a newer one...but I might be eating those words one day once we find the limits of the S63. Per talking with Precision Tuning in New York pushed one to 630, the car owner wanted more and Kevin said that's all it had, the owner took it to another shop who pushed it more and it died on the track...abridged version of that story. It could have been a tune issue, it could have been a fueling issue, nevertheless the owner isn't on these boards as far as I know and I haven't read of anyone blowing an S63 from too much boost, so the jury is still out.