Question: what is the difference in series of bmw?
Answer: BMW currently assembles its lineup into 10 distinct groupings. The sportier coupe-style are designated by even numbers (2 Series, 4 Series and 6 Series) while the sedan-style models are given odd numbers (3 Series, 5 Series and 7 Series): 2 Series – A smaller two door model available as either a coupe or convertible.