Hello to everyone. I bought recently a 520i(2.2 m54b22) with a frustrating problem. It doesn't accelerate and don't have power.I changed the coils , sparks , intake manifold , PCV , MAF , checked compression ( 13 to all 6 )
I had missfire errors but i changed them and the error perssist! I don't know what to do and what to check. Sorry for my bad english ! Anyone can help me ? Thank you




Here I accelerated to the maximum and it goes with 20 km/h!