BMW 1 Series - Tech Talk For All Gen Of 1 Series
New to the forum and my first post.
My car is a 1 series, 118i , 1.5cc auto, late 2015.
This is my first auto and experience with the 3 cylinder engine. I am finding that as I reach 1800 / 2000 revs, 60 mph up over the engine noise changes to a very noticeable drone and a slight...