E46: Ridges on wing mirrors

Q: Why do the wing mirrors on the E46 have ridges?

A: The wing mirrors have ridges on top to help reduce wind noise at high speed.
at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

Why does my BMW beep when I turn it on?

Q: Why does my BMW beep when I turn it on? A: When the temperature is below 37 degrees F (3 degrees Celsius) this is a safety feature which ...