R3VLimited Forums - M10 https://www.r3vlimited.com/board/ en Fri, 07 Aug 2026 23:01:18 GMT vBulletin 60 https://www.r3vlimited.com/board/images/misc/R3V.jpg R3VLimited Forums - M10 https://www.r3vlimited.com/board/ low mpg on idle https://www.r3vlimited.com/board/forum/e30-technical-forums/engine-drivetrain/m10/10164899-low-mpg-on-idle Wed, 05 Aug 2026 00:48:49 GMT is it a bad gauge, or if it is a real issue, how to troubleshoot it?
for reference, i'm getting about 230 miles on a full tank of 91, mostly city.]]> M10 ronle https://www.r3vlimited.com/board/forum/e30-technical-forums/engine-drivetrain/m10/10164899-low-mpg-on-idle