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Tool Pants · 01-02-2005, 07:04 PM

I still use Mobil 1 15W-50 and it is the only oil my 1997 Boxster has seen after it was first changed many years ago. Same was used by my dealer for years until they switched when Porsche issued a bulletin for 0W-40. Northern California.

01-02-2005, 07:04 PM	#2
Tool Pants Registered User Join Date: May 2002 Location: San Jose Posts: 1,889	I still use Mobil 1 15W-50 and it is the only oil my 1997 Boxster has seen after it was first changed many years ago. Same was used by my dealer for years until they switched when Porsche issued a bulletin for 0W-40. Northern California.