Yeah..I am glad to have the software and it does help with the gears. Added rpms is a plus with 4.10s for sure. That being said, if I did not have gears or headers I am not sure I could justify the other perks for the $900.00 cost of entry. Nothing is cheap on our cars though
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2007 M Coupe w/NAV/Premium/Extended Leather, Clearbra, DICE, 4.10 BMW Motorsport Polished LSD, Active Autowerke Gen IV Headers, Supersprint Race Exhaust and X-Pipe, ESS Tuned DME, KWV3 Coilovers, Volk RE30, OEM Strut Tower Brace, Short Antenna, JL AMP, JL 10W7, Valentine V1.