Hey don't know it you ever found a steering wheel but here is one for sale $290
http://www.ebay.com/itm/Raid-Racemark-Steering-wheel-360mm-Prototipo-Monza-Porsche-Alfa-Romeo-BMW/121559673565?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D29979%26meid%3D5aa0f3869a854ca295dd30763c164771%26pid%3D100005%26rk%3D1%26rkt%3D6%26sd%3D221724379677&rt=nc