Dont know if im in the right bit or not im new i have a audi s4 b6 cabriolet auto tiptronic had the atf changed and filter after a week the gearboxs gone from 1st to 2nd quick but theres like a second delay before it selects 2nd it quite a heavy change as well and down change 3rd to 2nd seems to make a clonk same sort of delay not as bad in sport and tiptronic drive it hard and it seems ok went back to the garage i only use the one garage got him to check to make sure it had enough atf he said it as any of you guys have any idea it ran fine before this wish i had left now lol many mark