mines fairly standard and on 90,000 miles....... i regularly check my oil and water, oil hardly ever needs topping up although in the warm weather i am topping up the water quite often. i have just replaced the header tank cap which has helped a lil. oil wise i use mobil 1 15w 50 which i think is what most people put in their rs turbo's & cossie's. worth checkin your service history and see if a specific oil has always been used as it may upset the engine if you all of a sudden start using a different oil to what its always been run on (if this is the case). plus fairly regular oil and filter changes help keep them happy every 3-4000 miles or so is about the norm i think. hope this helps!