2005 a6 3.0tdi quattro,gearbox basically collapsed,audi did not want to know.£££3600+fitting etc for new one.eventually found these guys at c&sgearbox specialists thornaby stockton.made a great job,they had to source parts from germany as xf did not want to know about suppling spare parts.total job including fitting £2400.car is running perfectley.anyone interested i would highly reccomend them .the fella to speak to is steve.07900357238.