hi all....just wanna share...for the last 3-4 mths...my car become shaking & vibrates harshly...esp 90-100kmh range....steering wheel & generalized to whole car...further inspection by my mech show ALL my rims bengkok!!!...i don KNow how it happened...anyway repair them, condition improved a bit....still got vibration...further inspection...my steering linkage also caput....the centre rod, caster & others( i,m not sure...so many rod & joints there-all link to the steering...after change them 90% improvement...not satisfied (even after 90% achievment) i change the front tyres to new one....wallahh...all vibration disappeared...the ride is smooth as a 7 series should be....i think the tyres rosak already due to hold on the defective rims for a long period...i think if i change the rear tyres the condition will be better oso....my point is...we have to check ALL the possible components that can cause a certain problem...& one damage can cause other damages too if not tackle early.... cheers