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Originally Posted by marcx5
how many bmw engines have you seen fail that have had regular oil changes every 15,000 miles as they were supposed to? none i bet.
the synthetic oils last much longer than what you're probably used to from years ago.
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You didn't read my post about aircraft oil. Engines don't necessarily fail from poor service, but they certainly degrade, and
could fail.
BTW, when did BMW institute the 15000 service? And how many 250,000 mile BMW's are on the road from that time?