Hello guys, new Mini fan here. I recently bought R56 N12 engine mini 2008. Year and I have an issue.
When I start the car cold its rpm bounce between 1300-1000 rpm and it sounds verry weird and not natural. Also when I stop at red light the engine drops RPM's to 500 and the car starts shaking and staling a litle bit and corrects itself after a second and goes back to normal.
This also happens everytime I press the gas pedal and release it when fully stopped.

No lights are turnes ON on the dash and the OBD diagnostic scanner shows no faults.

Things I have tried so far are: New sparkplugs, new cam position sensors, O2 sensor, cleaning of throttle body, Vanos sensors cleaning and new MAP sensor. Please help bcs Im going a little crazy overhere. Greetings from Croatia.