Posted by Steve Chandler on December 16, 2001 at 13:39:12:
In Reply to: Premium Fuel? posted by Nathan on December 14, 2001 at 14:08:01:
I ran 87 fr the first few months and got 187 miles to a tank..I canaged the air filter plug and wires and switched to 93 octane. My milage increased to to 280-300 miles to tank...I could not believe it but it's true...Anyways. I wouldn't put anything but the best in mine.
Steve
81 528i