DOES ANYONE OUT THERE HAVE INFO ON THE WEIGHT OF A 95 ON FACTORY 850 CSI 17" ALLOY WHEEL (WITHOUT TYRE)? EVERY POUND TAKEN OFF A ROTATING WHEEL EQUALS TAKING 4 POUNDS OUT OF THE CAR! SO IF EACH WHEEL IS SAY 10 LBS LIGHTER THAN STOCK,TIMES THAT BY 4(4 WHEELS)YOU GET 40 LBS.NOW TIMES THAT BY 4 AGAIN,YOU END UP WITH 160 LBS!! SO BY PUTTING 10LBS EACH LIGHTER WHEELS ON YOUR 850,IT IS EQUIVALENT TO TAKING 160 LBS OF WEIGHT OUT OF THE CAR! THIS IS AN EASY WAY TO GET 0.1-0.2 SECONDS OFF YOUR ACCELERATION TIMES,IMPROVE THE LOOKS OF THE CAR, AND ALSO YOUR CAR WILL HANDLE AND RIDE BETTER DUE TO LESS UNSPRUNG WEIGHT ON YOUR SUSPENSION!!! I BELIEVE HAMMAN 3 PIECE WHEELS ARE ONE OF THE LIGHTEST AVAILABLE(WITH GOOD LOOKS) FOR THE 8 SERIES, ALLTHOUGH I AM NOT SURE ON THIS, ALSO I WOULD LIKE TO KNOW THE WEIGHTS OF FACTORY WHEELS, PARTICULARLY THE CSI WHEELS. DOES ANYONE OUT THERE HAVE ANY INFORMATION ON THIS?