5.6 60/130 pure 800 Full weight 5.6 60/130 2022 M440I pure 800 1900cc port meth DS25 + S58 inejectors
Back box removed logs Possibility of backpressure affecting boost however logs show barely a difference, no idea what it could be as there are no leaks on boost pipes. Additionally, have about 7% methanol and 4% ethanol in the tank to boost octane a little