Hello Yesterday after a long time I came back to the highway (and what a miracle, she was almost empty).Unfortunately my TT (225 Roadster) didn’t want to run properly.At 245 speed indicator was over, before he always went up to 260 (and that also not as tough as now on 245).Can it be that my new rims (18 inches-225/255er) steal so much speed?Or does it have to have another cause? Do me worry now, since I have read so much about defective air quantity meters here already, and my just 3 months ago was changed during an inspection (exchange action).Can it unfortunately not test myself, since I don’t own a VAG Com. I am grateful for any help Greeting Stephan