it's simple, really. the mini uses the same service interval calculation system as the bmw. it relies on the fuel comsumption. the more fuel the car uses up, the more rough is the driving, bringing more wear and tear on the engine. this applies to driving at high rpm's, and/or heavy traffic. to prevent engine damage due to lack of quality of the engine oil (which is synthetic from the factory) , the car asks for maintenance earlier. if you try to drive slower and avoid heavy traffic, your mini will make more than 10k between oil changes.

 

>>>>MINI has a $3500 (I'm guessing here) motor on the line. Why would they jeopardize it?<<
>>
>>Remember, the engine warranty is only for 50,000 miles.


I still don't think they would want the bad publicity. If it came out that their engines were dying early and it had anything to do with a 15K mi service recommendation... think of the liabilty, bad publicity, public humiliation... I just don't think they would do it.

Personally, I am going to change mine after 2K miles just for peice of mind. I mean if they want you to take is easy on the motor for 1250 miles. It's bound to be because of some scratching in the motor. I see it as an initial flush.

 

OK, at the risk of ridicule, I'll jump in with my new vehicle oil change procedure. That being that I change the oil and filter as soon as I get home from the dealer. My MINI had 7 miles on it when I took over the driver's seat, and it had 87 miles on it an hour and a half later when I pulled into my driveway. I jacked up the front and drained the oil. Very dark in color and full of the usual tiny speckles - the completely normal less than a micron sized remnants of piston rings sealing in the new cylinder bores (why do you think the cross-hatch honing is done on new or rebuilt engine cylinder bores?). I'll do another oil change at 500 miles (after which I consider the breakin period over), and another at 2000 miles, and then not worry too much thereafter about oil change intervals. You see, 99% of engine wear occurs in the first few hundred miles of its life (I heard that from an automotive industry engineer at a lecture years ago). $35 lousy bucks for oil and a filter is all it cost me for peace of mind (if nothing else) regarding my brand new car. For example, this is the procedure I used on my '95 Cherokee and 130,000 miles later the compression of all cylinders is still in spec and it only burns a quart of oil every 1,200 miles. I treated my '01 Ducati Monster the same way. (Call me crazy, but I bet you would rather buy one of my used vehicles than one from someone who "went by the book" with regard to oil changes!!!)

 

If MINI/BMW has given 15K as the service interval. Likely there is a typical 25% engineering 'float' built into that number which would max out at 18,750 miles for oil change.

If it makes you feel better, change the oil early, but I think it is unecessary for the car. They have many years of experience with synthetic oils and longer change intervals, not to mention a likely mountain of engineering data to back up a 15K interval. Then there is the huge German Technical Quality pride and pressence to maintain that they would not sacrifice over the frequency of oil changes.

I did also changed my oil at the break-in point. So I guess I am just a hipocrit.

my.02

 

If MINI/BMW has given 15K as the service interval. Likely there is a typical 25% engineering 'float' built into that number which would max out at 18,750 miles for oil change.

If it makes you feel better, change the oil early, but I think it is unecessary for the car. They have many years of experience with synthetic oils and longer change intervals, not to mention a likely mountain of engineering data to back up a 15K interval. Then there is the huge German Technical Quality pride and pressence to maintain that they would not sacrifice over the frequency of oil changes.

I did also changed my oil at the break-in point. So I guess I am just a hipocrit.

my.02

 

European oil changing habits are driven by a) much higher quality oils, b) much higher price of oils and perhaps more importantly (calling tree huggers) for ecological and oil conservation reasons.....do the math...call it one gallon per 3000 miles or per 15000 miles....name the number of MINIs, of cars in the Us, in the UK or in the world. Add it all up....tell us what you find......
If BMW says 10K on their approved oil, they mean 10K on their approved oil.......95% of European cars run on this type of interval donuts to dollars that on average, "in use in Europe" engines last longer than "in use in the US engines".

Long haul truck lines in the US have been known to use oil for 50K plus miles......