For all your 325i owners, I emailed BMW about this article concerning the Lexus, and I demanded we get at least one cheat code. They happily complied, and replied with the following:
Start your vehicle; set cabin temp to 76 on the left and 81 on right; (on the steering wheel) press the volume keys UP, UP, DOWN, UP, DOWN; roll rear windows all the way down, then front windows all the way down, then all back up at the sametime; pop the trunk;adjust driver's mirror LEFT, RIGHT, LEFT, RIGHT; finally, honk the horn to the beat of "Jingle Bells" for the duration of one verse; and voilah...you look like an ass! Enjoy!