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I'm dredging this thread up in hopes that some of the prior posters and/or others who've installed xHP more recently will see this and respond.
I'm on the original 6 speed transmission in my 2014 E84 X1 35i M Sport (with staggered wheels and Pilot Sport 4s's, which beg for crisper acceleration), clearly the car needs some performance modification. I'm primarily unhappy with the acceleration lag that is an unhappy fact of life on the unmodified car, even with TBA resets. I'm looking into a DME flash (hoping BootMod3 has a program that will work on it) but it sounds like xHP may be a good first step for me (assuming a DME flash wouldn't eclipse the need for transmission flash). I'm particularly wondering if xHP can be configured to remap acceleration from full stop to eliminate lag, without over-aggressive high-RPM downshifts? I'm not super computer savvy as far as doing my own custom mapping is concerned.
Thanks!
- Dave in NM
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