Interesting sway bar article from UK.

[Icer006]

Originally Posted by X5girl

Sorry, that is wrong. Lowering the car makes no difference to the preload on the bar because both sides are (hopefully) lowered the same amount.

If you assume (or hope) that the springs are equal and both springs lower the same amount. There's no way to assume/hope that. Actually, even putting a certain amount of fuel may affect weight distribution.

Originally Posted by X5girl

Its like everything, just because you can make it better doesnt mean you need to or would actually feel the difference, but there is definately something satisfying knowing you have actually improved something.

Agreed.