api-sn plus and api sn-rc both require 30 or less mg...
if your car so requires it.. the by all means do what your vehicle manufacturer says.
which vehicle in our great country requires api-sn plus or api-sn-rc?
by the way even if the RP Edge oil is best, 10,000km oci is too much in our country. that oci is suggested by these rp sellers.






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