I bought a Q5 in Feb2010 in greece. Every 1500km i was asked to add 1lt of oil! At 16.000Km audi greece did agree (after some legal pressure) to change my engine with a new one (2.0 TFSI). Now after almost 4.000km I have again two times add a litter of oil. What can i do? is it possible they did not change the engine? is there a major problem with oil concumption with these engines? Can the new engine have again the same problem? Is it not a problem of the engine but something else?