First of all, this thread needs to be moved to the appropriate section. It is not E46/E90-, or even BMW-specific.
AWD is not only about riding in the snow. AWD gives the car better traction. It is great for takeoffs. If the wheels slip, the car loses traction, which hinders the car's ability to deliver torque and, well, move.
RWD is great to power through turns, and helps front-mounted-engine-cars achive 50/50 Front/rear weight distribution, sure, but that does not mean that AWD does not belong in high performance vehicles.
In your above post you made thrre points:
- firstly, that AWD slows cars down. True, but so does air conditioning, power windows, sunroof, power seats, power steering, and speare wheels/tires, just to mention a few of the things BMW puts in their cars. The added weight is a valid point, but not strong enough to make AWD the "worst" thing -- in your own words -- for high performance vehicles.
- Your second and third points are arbitrary and mere personal opinion. If I owned a Carrera 4s, I wouldn't want anybody telling what I should and should not do with it. The same way I don't want anybody telling me I shouldn't run my current vehicle through automated car-washes. If I want to mess up my car, it is my own choice. Further, lets suppose I am filthy rich. Not only filthy rich to own a Veyron, but filhty rich that I wouldn't care what happened to it. If I want to off-road it, it is my money.
Then again, AWD is not only for off-roading. In fact, there are many vehicles in production today that are AWD and were never intended for off-roading.
Your first post had me thinking I had no clue about these matters, but your subsequent replies haven't so convinced me.