Well, Steve hit the first couple snags in the install. The front strut mounts in my car are 1/4" shorter than the ...943 guide supports. I was expecting my car to have the ...098 part, and that it would be taller, not shorter, than the 943's. So, in go the lowering perches.
[EDIT: my car does have the ...098 guide support, as expected. It is 0.2" shorter than the ...943 guide support that is used on non-sport E90s and many other BMW models.]
The E46 strut mounts, p/n 31 33 6 760 943, are 2.37" high.
Another snag is that new bolts are needed to attach the M3 lower control arm to the subframe. Somehow I neglected to order them, they weren't in any parts list I saw.
So, the bolts are on order and work resumes tomorrow.
2007 328i ZSP. M3 suspension
: custom valved Bilstein shocks, Hyperco race springs, M3 lower control arms front and rear, M3 sway bars, and M3 subframe bushings. E46 front guide supports. Euro tail lights.
Last edited by luckyu; 12-06-2011 at 01:33 AM.