Here are the rear toe arm options that I am aware of:
Rogue -
http://www.rogueengineering.com/mm5/...ct_Code=E9X_TA
Megan -
http://www.meganracing.com/product_d...d=891&catid=54
Ground Control -
http://www.ground-control-store.com/.../II=908/CA=165
GSR -
http://www.europeanautosource.com/in...-3-series.html
Dinan -
http://dinancars.com/product/r280-00...eries&mid=1012
If anyone has more options to add, please reply to this post.
Dinan just raised their price for $499 to $549
so I don't think we will be getting any reviews on those....but here is a video where Steve explains the "Toe Steer" effect on the M3. Same principle applies to the 335i, expect that the OEM M3 vs 335i arm configuration is different -