i drove the 324ci for close to 2 years. The repair bills emptied my bank account. I replaced timing belt, brakes, rotors, tune up air conditioner, misfiring twice, radiator, tie rod... The list keeps growing. I finally had to draw the line when the trunk started flooding and I had to vacuum over a foot of water out from under the spare tire. I "traded "it for another car. The value was next to nothing and I spend my savings fixing this awful car. Huge regret and now broke.
I must say that the reliability is not as bad as some reviewers are saying. I bought my 2000 convertible in 2006 with 45000 miles. I now have 137000 miles and have only changed the oil regularly and just did the rear brake pads. I commute 100 miles a day for work and feel confidant this will get me there and home again in style. The car is fun to drive! Take care of it, and it should take care of you.
I bought it used with 75k miles and warranty until 100k. Have had only 1 minor problem with O2 sensor, covered by warranty. Very fun to drive, especially with top down. Didn't spend much on it, but everyone thinks I'm loaded because I drive a Beamer. No neck snapping acceleration, but slowing down for curves is a thing of the past. People still ooh and ahh over my 8 year old BMW.
I purchased my BMW convertible in July 2000. This car is quite the head turner, especially with the top down. I live in Buffalo, NY and drive it year round with the all season tires. The Dynamic Stability Control works great in the snow on this rear wheel drive car.