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Full Synthetic at 10,000 Miles

5777 Views 27 Replies 22 Participants Last post by  JNR
I installed Mobile 1 5W-30 Full Synthetic motor oil and a Mobile 1 Extended Performance oil filter; now hoping for the best in the future.
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I switched at 4k on the X, and thats plenty in my book. The old adage oof 10k applied to older engines with less tight tolerances.

If you are spending the $ for the mobil full syn, use it for up to 10k. If you dont believe me, see what mercedes master techs recommend, my AMG came with full syn from the factory and the cars self diagnostic "eye" doesnt call for an oil change until the 9k -11k mark. I still did it between 7-10k depending on what kind of miles I ran.

On the X, i think ill do mobil full syn every 6-7k
Getyour value out of the $$ mobil.
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