Oh Glenn, you nasty!
Got our 05 Tramsporter serviced in Jan with 39k kms on the clock. There's 45k on it now and the oil is at the end of the dipstick, rang the dealer and was told they can use up to a litre per 1000kms..... and it's in the manual!!! You'd wonder why they specify longlife oil, 30k kms between services!!