The e36 M-3 style bumper on ebay I installed on my 318ti and slid into place perfectly. All of the screw holes and brackets lined up with out any modification. Any competent DIYer can install easily. Shipping was quicker than I expected. The Bumper is not BMW and is made in Taiwan but it is made out of polyurethane and the fit is exact. The bumper uses most of the factory hardware so when popping out the pins on the fasteners for the bumper don’t push too hard and lose them and buy the M3 brake airducts because the stock ones will not fit.
http://cgi.ebay.com/ebaymotors/ws/eB..._BIN_Stores_IT 
M3 style front bumper bought & installed 
Threaded Mode