Here on Autospies there are many BMW owners/supporters that openly hate on Audi. There are also Audi owners/supporters that hate on BMW.
Neither of the two sides can deny that the other car company makes competing cars and look sto directly defeate each other when new models come out.
BMW owners say Audi is owned by Volkswagen therefore it is cheap and not as prestigious as a BMW.
The Volkswagen group is one of the most powerful autogroups in the world. They are affiliated with or directly own Volkswagen, Audi, Bentley, Bugatti, Lamborghini and Porsche.