Bms power box is amazing you should get it!! And you will love your ride and drive more!! I'm loving mine right now after getting it installed

 

shatt my bad, i forgot to link it LOL http://www.e90post.com/forums/showthread.php?t=381371

i already have the bmx pbx and i used to have the sb v1 so i can give an opinion on both

 

interesting 260hp gain

 

Any input on what these upgrades did to the gas millage? My exhaust lost me at least 2 miles per gallon.

 

I want to say about 9 months. I bought it last spring but didn't install it until the summer time.
It's a great mod and in my opinion 10 times better than the Sprint Booster.
It just gets over looked because the install looks intimidating but I don't blame anyone that doesn't want to do the install themselves since you are tinkering with the ECU.
I did it myself following the BMS DIY pic by pic in about 2 hours taking my sweet ass time and have never looked back.

 

good job on diy! now the car feels so much better and more fun to drive congrats on the mod!

 

gas mileage is actually not bad coz now you dont have to step on the gas pedal to heavy, just a slight step and the car goes.. its really a good mod especially if you have a non turbo engine, throttle responds better and it eliminates that slight delay when you step on the gas pedal.. good luck!

 

I have a sprintbooster V1. I am very interested in the Stage 3 manifold upgrade. Will it run in conjunction to the BMS pbx to get the 260hp? Also Is the BMS pbx really worth it over the SB V1?

 

Aww Hell yeah! BMS pbx actually adds power and throttle remap. The SB does throttle remap only!

 

100% agree