Hi guys, I've owned my A4 for about 18 months now and I LOVE it. Having seen the recent prices of an S4 B8, they're falling into my bracket and there's one at £12,700 that I'm test driving tomorrow. Same year and rough milage as mine so as long as the engine feels fine it should hopefully be just as good and way more fun! A couple of things I'm interested in, I never knew about the TFSi issues which affects my car and don't want to be caught out, if I went for an '09 S4 Avant, does anyone know of any issues that I should be aware of? 3L TFSi model.