M40b18 running rich and missfires

[ancezas]

Hi, so i have an issue with my e36, the engine is m40b18 and it missfires bad. So i changed:
Fuel pump
Spark plugs
Spark leads
Ignition coil
Crank sensor
Maf
O2 snesor
And nothing helped, starts good, ibdont think that the timing belt hoped

I willka add a video for more clearence
https://youtu.be/3yEUA3WKcA8

[Eric93se]

Change to another gas station and put better gas, use a couple bottles of fuel injector cleaner over the next couple of tanks.

- - - Updated - - -

One or more injectors may be leaking.

[ancezas]

Thanks for your reply. Injectors was replaced