For a sunroof E46(not sure if it fits sedans). Comes with the BCSI FIA padding. Paint is a little scratched up but can be easily fixed with spray paint.
$350+shipping
http://img255.imageshack.us/img255/1694/dsc0018hi0.th.jpg (http://img255.imageshack.us/my.php?image=dsc0018hi0.jpg)
http://img180.imageshack.us/img180/3410/dsc0025gz1.th.jpg (http://img180.imageshack.us/my.php?image=dsc0025gz1.jpg)
http://img256.imageshack.us/img256/318/dsc0026fk4.th.jpg (http://img256.imageshack.us/my.php?image=dsc0026fk4.jpg)

Does anyone know if this will fit a 4dr?

Wish you had posted this a couple months ago!

would it fit in a m3?

There is currently a sale pending on this.
Does anyone know if this will fit a 4dr?
I'm not sure, you can try calling Kirk but good luck getting anyone to answer.
would it fit in a m3?
Yes.

I emailed Kirk, the said if I find out to let them know :)

Tim

Sold.