Quote:
Originally Posted by Sylon
Why is everyone changing their oil so damn soon?
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There seems to be two schools of thought on this and the subject has generated a lot of debate here on the forum. I'm from the old school and have doubts about 15k mile oil changes even with synthetic and improved filters, especially for turbos; also, I purchased, as opposed to leasing, so I consider a break-in oil change essential. If you're leasing, well, it's someone else's problem, either under warranty or after it runs.
I do think the need varies with the type of driving, if you're doing city driving a lot, with short drives and cold shutdowns, then changing at 7500 certainly can't hurt. I have found my 135i requires at least 20 miles of highway driving before the oil is even close to operating temperature and the ambient air temp is already 28º-30º C during the day.
pge