I'm redoing this now for other reasons. If you go through the process above in this thread you need an oil cooler since it involves removing the stock coolant/oil heat exchanger.
My new idea is to replace the M12 plug in the housing that normally holds the oil pressure sensor for N54/N55 engines and use an M12 to AN8 adapter along with an AN8/AN10 hose end (so I don't have to replumb everything). Yes the flow will be significantly lower but I'm hoping it will still be sufficient. I won't have any data for a month or two though, and even then I won't *really* know until the next motor teardown (which hopefully never happens...)
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