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Message: <blockquote data-quote="AlexC" data-source="post: 8993" data-attributes="member: 1462"><p>Folks, Just had the motor oil changed at Sapura Auto last week. The oil BMW specs for our cars is a specially-blended, "longer-lasting" Petronas Synthium 0w30. I've never heard anyone running 30-grade oil in this climate- 40 is the bare minimum for daily drivers that aren't redlined at every opportunity. My other ride has run 10w60 for over 3 years, switched to 50 2 weeks ago and only because its Motul 300v. So personally I think 0w30 is too thin and would break down in our sweltering heat and humidity. Mr Service Advisor's response was that continental cars are prone to sludge build up and using a thinner blend would reduce this. Discuss!</p></blockquote><p></p>