Quote:
Originally Posted by moto111
So first bmw and it’s a 20 m340 love the car just would like to be in the 11s . The car is a lease so there’s that . I’m leaning towards the jb4 for the simplicity and safety compared to tuning their car .
Will I notice a big difference from stock to the stage 2 jb4 map?
Thanks for any input new to bmw period come from tuning 5.0 mustangs which were bullet proof on tune only
|
it's a big difference between stock and stage 2. We offer the Jb4 with a 14-day money-back guarantee. Give it a try and let us know how it goes