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blue2000s · 04-02-2009, 06:45 AM

I don't know specifically for this car, but it's not just if the filter is dirty, it also helps keep from oil starvation in times of high RPM oiling needs by bypassing even a clean filter.

04-02-2009, 06:45 AM	#3
blue2000s Porscheectomy Join Date: Mar 2006 Location: Seattle Area Posts: 3,011	I don't know specifically for this car, but it's not just if the filter is dirty, it also helps keep from oil starvation in times of high RPM oiling needs by bypassing even a clean filter.