tracking was done on the MOT mate when the rack was changed so shouldnt be that.

The wheel bearings were the ones that came in the turbo hub i fitted but seemed ok and theres no play in the wheel when its jacked up, would it really cause a violent judder under braking thou?! obviously dont know how many miles the bearings in the hub have done or what it was like before.

When ive had bearings go on me before its normally a constant whine/grind/groaning noise rather than a nasty judder, even makes the wheel shake till u get it down to about 30mph!!!

Have got another 3i sitting on the drive so if it comes to it will swap the hub over off that and change the shafts etc and see what happens but its alot of work if its not gonna be those things!!