Hello everyone:

My M103 with 20w/50 dino oil drops just below 1 bar after running for awhile. This is with car in D at a stop light. In N, it will raise to about 1 1/2 bars.

Does this seem low with this high of viscosity oil? What other factors affect oil pressure besides oil viscosity?

Thanks for any insight on the matter.

~Paul

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'91 300E, 208k miles