|
I am also interested to know. I'm considering upgrading to a M exhaust on my 40i as well because it is just too quiet. I almost feel like I'm driving an electric car.
__________________
2022 BMW ///540i xDrive Bernina Grey Metallic Amber Effect
2019 BMW X5 40i ///M-Sport (Recalled) Mineral White Metallic
2011 Porsche Panamera Turbo S (Sold) Basalt Black Metallic
2009 BMW X6 50i Dinan (Sold) Alpine White
2003 BMW ///M3 (Sold) Laguna Seca Blue | 1995 BMW ///M3 (Sold) Santorini Blue II
|