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Old 12-01-2004, 12:02 AM   #4
Tool Pants
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Join Date: May 2002
Location: San Jose
Posts: 1,889
As of January 2001 Porsche said the factory fill is 0W-40. The car is sold around the world and people get hung up on using that weight no matter where they live or the time of year.

I live in San Jose and have a 1997. The only oil that has been in the car is 15W-50. This was an approved oil for years but now it is off the list. Porsche comes out with a new approved oil bulletin about once a year. My dealer use to use 15W-50 but now they follow the company line and use 0W-40.

What oil to use has been debated to death. With all the engine failures you have heard about I have never heard of one related to oil.

The Boxster already has over 9 quarts of oil. I was on a BMW board and read some messages about putting in an extra quart. I do not know any Boxster owners who do this.
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