[KIRASIR]

The earlier models of MCoupe came with 19mm rear sway bar. The reinforcements are only necessary if the car is heavily tracked. One of the best sway bar kits is the one made by Eibach, unfortunately it's been discontinued for about a year.

If you are willing to spend the money, I would highly recommend an aftermarket kit (H&R, Eibach, Racing D.) because being able to adjust the stiffness of the bars comes very handy when setting up the car for the track/autocross.

The M3(MCoupe/Roadster) front sway bar attaches to the struts. Since such attachment increases the level arm, thinner sway bar can be used to apply the same force.

SL

Originally Posted by cali-ti

according to the ETK (www.realoem.com/bmw), the m coupe and m roadster bars are the same size (18.5mm), certainly larger than stock (14mm) and sport (16mm) bars for the ti. bmp design offers h&r anti-sway bars, 28mm front and 18mm rear. anyone used these bars (including reinforcement of the rear trailing arm mount points)? looks like it would be around $400 for the pair.