How to tune ECU's and Carb's in Car Mechanic Simulator 2021

[@chandlerjamesanthony7544]

This video and his method actually works

[@accadacca]

Thanks mate, your method does the job nicely. Much appreciated.

[@JayVVlog]

I put in ecu and it don’t pop up

[@anbuchief4829]

Did you put the ecu from the tuning shop? Need dlc too btw

[@gameingstudio2637]

i got all the dlcs so yeah

[@Tanas.]

someone help? i dont have them into shop