cheers guys! hey Allan! where is this ECM thing and how do i get to it, your fix sounds liek one i'd liek to try myself, i do alot of miles daily, i can't tell you how it drives me nutty this shudder. I've not been able to locate a wiring diagram for my TDI, no manuals for them anywhere, so i've no idea where or what relay 109 is ini, but that really does sound worth a look at, any1 got a wiring diagram, i'm an electrician, i understand these things!