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'81 320i - Recomended gasoline ocane levels (archive)
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Posted by Rich on October 01, 2000 at 17:41:13:

As gasoline prices continue to drift upward here in northern California, I was thinking of using regular gasoline rather than premium. That thought led to two questions:

1) Does anyone have a factory manual for a 1981 320i and if so, could you give me the actual factory recomendation for the gasoline octane?

2) Does anyone have any opinions/comments on the idea of using regular gasoline rather than premium?

My thanks in advance

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