any F4R engine with VVT you want to be doing oil and filter every 6K
They did this for emmisions/profit for dealers. After all new cars only went into dealers once in 3 years. This way they had to do 3 timesi beleive around 2005 non sport clios moved to 1yr or 12k but then at some point they then put them back to 2yrs or 18k. my 2010 dci is 2yrs/18k