Quote:
Originally Posted by wvcajun
I would think that with the install of the pistons/rings for the first time, the valves and machining of the seats, cam, crank. Obviously it won't be much, but the tolerances are such that "shavings = increased friction = increased wear = decreased life."
wvcajun
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do you really think BMW want there cars failing in later life because they extended the service intervals, no way mate, the car/engine and this new long life oil with long service intervals are fine for the longevity of your engine!
BMW cant risk having 5-8 year old cars failing.. it would ruin there image!