Associate
- Joined
- 4 Jun 2009
- Posts
- 1,675
- Location
- Solihull/Cardiff
Do the vents on the sides of a BMW M3 vent anything?
My guess is while they may have some cooling purpose, be that from the engine or brakes (I've not studied it up close), I suspect the main reason is so that you can tell and M3 from the plebs in their 318d's

