In certain forums on BimmerBoost you are required to select a prefix before posting a thread. This is done for several reasons, mostly to keep content neatly organized and allow you to find what you are looking for quickly and easily.

Another reason, for example, is that in Off Topic prefixes help you distinguish what is safe for viewing in public or at work and what is not.

So how do you use them? Simply click a prefix to sort the forum by that prefix. This will help you in Regional where you may just want to see what is happening in your region. Simply click on your region to sort by it or scroll down to the bottom and select your prefix/region in the box in the lower left hand corner to filter by that prefix.

Prefixes allow us to cut down on the number of forums and keep forums populated instead of empty with just a couple threads in them. Enjoy the prefixes, love them, use them.