Thanks for advice, and on that note:

It used to be recommended that oil gets changed every 3-5k miles or every 6 or 12 months, whichever comes first. Does the time limit still apply to synthetic oil, or does the fact that it is inorganic mean that time is no longer a factor?

Thanks,

g

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64 230sl, my daily driver
94 E500, sold
98 E320, family and dog hauler
04 C240, safe machine for teen drivers, but a poc
08 audi a4, yes we have gone to the dark side