Originally Posted by GregW / Oregon
Well, if the E90 & 92 M3s are not faster under the same conditions I think there will be some BMW engineers out of jobs! The new Audi drivetrain layout in the S5 that moves the engine rearward about 5" should help a little on the understeer for the next generation, but they really need to work on weight, which is tough with a couple hundred pounds of drievtrain hardware for the rear wheels.
Thanks for the post--waiting for my mag.
That was also my guess. The RS4 was understeer at some corners due the nature of this particular race track, while the 335i has advantage with its rear wheel drive configuration.
However, if in racing, the result might differ than the solo result.