I could save $5-$10 a week by getting
>the lower gas. What does everyone think? Has anyone had experience
>with knocking in their engine from lower octane gas?
My 750iL has run fine for years on 87 octane.
Re: Do I need the expensive gas???
Mar 30, 2005
1 Replies
But your 5.0L V12 is an old, two-valve low-compression design, and the OP has a new high-compression engine.
Now, if you had an 850csi with the tuner V12 that required premium...
Floyd
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