Fuken no replies.....all our cars do that....I'm doing rod bearings in the morning, I read somewhere that when the vanos changes timing it diverts a lot of oil and can cause that. the rest of us se low pressure at idle hot....blah blah buy a better car....seriously though I say fuck it install a Mechanical oil pressure gauge...if you have 10 psi per 1k rpm (old rule of thumb ) yer good to go.....good luck