Originally Posted by mikesonfirst
I haven't had mine checked by a technician yet but I've just put an Evolve tune in it and the flat spot is still there (if anything more noticeable now due to more power). Will let you know if I find a solution.
the n52 has a little flat spot, even if tuned, its not really gone.
look up 130i dyno's
AA tune may have masqued the spot better,i have yet to see a converted RWD dyno