Quote:
Originally Posted by ///KM
I have the aFe tune, and I'm very happy with the results. It taps into two sensors (MAP & TMAP), which is different from BMS' method. By utilizing those two sensors only, I don't think boost pressure is touched. Instead, I think it modifies the AFR and TPS voltage to achieve results - pretty genius if you ask me, and it should be a very safe and reliable tune for these reasons.
Install is a 5 minute affair, very easy to install and remove.
Fuel economy has improved for me - in two full tanks since install, MPG went from 29.1 to 30.5 and 30.3 per tank. That's with the same driving behavior before & after - commute to/from work.
That being said, the aFe solution likely will not have an upgradeable Stage 2 like the BMS tune, as there aren't any accessible ports.
You can't go wrong with either choice IMO. I went with aFe for the ease of install and reliability in how it goes about achieving the power increase (not touching boost pressure).
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Are you going to take it in for a dyno run? If so, please post up the results. It would be awesome to see what the gains are like, rather having the numbers come from aFe.