which is correct air flow for M40 engine

[markus_74]

dear, sir

want to know which is correct air flow for m40 engine?

bosch 0 280 202 203? or 0 280 202 134? or 0 280 202 135?

and if I install the one of this above which is not correct what is happened?

and I found that some of this have co poti and the other don't , so if I get that don't have co poti how can I adjust? or all air flow must not adjust?

regards