[50iXman]

Originally Posted by MPizza

I just had this issue. Basically I took a picture of the bolt, then flipped it horizontal (mirrored). Then I compared the pattern to a diagram to find the correct code. Once I was confident that I had the correct pattern, I ordered a key on Amazon.

Diagram:

View post on imgur.com

Just be very careful when applying torque to the socket, as they are a little bit fragile. Turn slowly with a breaker bar and it should work. I was able to get all 4 lugs out with the key.

Additionally, your local BMW dealer should have a master set. In my case, the one I needed was missing from the set

Good luck!

This is what I have