I thought of that but the DME i think sets a fault if oil pressure over ambient when RPM zero.

It's an issue i may have to deal with doing my fix.

I want psi to register "negative 5-10 psi" when key on engine off. That may set an error so i might need to have to add some electronic parts to engage after the car starts.

The pump that i saw was designed to monitor psi and just pump into the output of the main pump any time psi dropped below a preset.

For motors with pure mechanical pump might be the only way.

It's theoretically possible to play with the spring inside my oil pump to set up some minimum pressure but setting up some jig to test and design that is outside the scope of what i can do.


–awr–

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)