Originally posted by 02RSXTYPES
Just to add something that noone has said, the 2002 vs 2003 altima dyno is not real proof. No engine puts out the exact same amount of power each time it is manufactured. BMW's limit is 12% off/in addition to their claimed horsepower, I believe. That's quite a bit. However, the loss of torque is interesting nonetheless.
Not even going into conditions when tested..
Best way would to be get two altima's, one 02 and one 03, put a set of new tires on each and take em to the track at the same time.