Quote:
Originally Posted by titanle
I don't even have a M5 and Im already done this entire thread lol. Im thinking of selling my X6 Activehybrid and if I do, I'll either pick up a 2013 CLS63 or 2013 M5. With the AMS tune, which one would be faster with just the tune?
I will probably get catless dp and an exhaust down the road but my first mod would 100% be the ecu tune.
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Seems the cls63 with a tune is a little quicker than an m5 with a piggyback, not enough info is known about an m5 with tune, on paper it's supposed to be quicker but there has not been many actual 1/4 runs to prove it.....