2nd Gen. 1&2 Series (2011-2021 | F20,F21,F22,F23)
So I recently got a new air filter on my car, (BMW 1 series 116d f20 1.5L) and I’m still wanting more horsepower so I was considering a remap. Remaps online offer around 32 bhp gain and 61 nm torque gain. Will this make much of a difference? I have a warranty on the car, which I know will be...