Keep Sinking Money or New Engine?

[Doru]

Originally Posted by upallnight

My point is that if you wanted to change the oil in your car at a different interval then what BMW specify, BMW maintenance program would not cover it. So if BMW schedule is 15,000 miles between oil change and the wife drives the x for short trips and have the car idling for long period of time, that would be considered harsh driving condition, but BMW will not alter their schedule for it.

AFAIK the on-board computer will alter by itself the mileage if there's lot of idling involved - it will get shorter, and BMW will warrant the oil change. However, said oil change will be still long due....