Well today I had the rear sway bar installed ( with the proper bushings this time ) along with the motor mount inserts and the front strut tower bar. The car drives totally different. I can definately feel the vibration others have said they felt and like it says in the intruction manual. Also the biggest differense so far is the shifting smoothness has imporved significantly. Hope fully the vibrations will go away in a week or two. I've only put 8,000 miles on my 3 since I bought it last June so I know the side mounts have not failed. There is also a tad more engine responsiveness. All 3 of these mods are well worth the money. Car feels more stable and super tight. I only have a 2 miles commute to work so this weekend I might hit some curvy roads to further test these modifications to the suspension.