Donald Snook wrote:
My BMW manual says that 91 should be used. But, it specifically says that the computer will compensate for lower octane, but not to go below 87.
Is that Research Octane Number, Motor Octane Number, or US pump octane number (R+N)/2?
Mitch Haley wrote: > In my neck of the woods it's 3.529 vs 3.729. > It's just always been 10 cents per grade in recent years. I quoted the difference between 87 and 93, not 87 and 91. My midgrade choice is 89. _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
