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If you have this oil filter installed, go replace it NOW. Just fished this out of my N54. Approximately 4,800 miles. The filter media was collapsed against the oil filter "cage" and took on the shape on the inside. Both rubber end caps separated from the unit and was stuck on the inside of the...

Hi everyone, I've been a long time lurker and wanted some opinions on the oil and the OCI for my mini: Water cooled 1275cc motor, Garrett T3 Turbo (Turbo is oil cooled only, runs at 7psi) 4 speed shared sump (dry clutch) Flat tappet cam I figure the oil cooled turbo requires a high flash...

Hey guys, long time leecher, probably first time poster. Heres my UOA. Rebuilt H22a4 prelude, Darton sleeves, arias pistons and some UOA irrelevant headwork. Anyways, i've been suspecting a headgasket leak beacause of dissapearing coolant, but I guess it was just air bubbles that worked their...