The picture below is what my BMW used to look like.
Its a 1991 BMW 318is. Next I'll break down the numbers that you see on the back of "beamers". The first number you see is going to be the Seriese that the car comes from. For example, the car above is a "3" seriese car. The next two numbers has to do with the Liters of Displacement of the cars engine. For example, the car above had a 1.8 liter engine. The next few letters describes what type of car it is. For example the car above is an "is" modle. The "i" means "fule Injected" and the "s" means "Sport". There are many of these second letters so I will break them down for you here:
There are currently 6 seriese types right currently in production and I will break them down for you here: