Times have certainly changed. Gone are the days when Pittsburgh steel mills spewed soot into the air from chimneys that went sky high. No longer is the smog in Los Angeles so thick that you could almost cut if with a knife. Fish are back in the Hudson River and thriving instead of floating on the surface. Yes, times have changed. Thanks to rules, regulations and new laws our air and water are cleaner, and getting cleaner all the time. Cars, once a major contributor to the smog and pollution in the air burn cleaner fuels and send fewer harmful particulates into the air. Your 1998 BMW Z3 is a beauty. Make sure that is zooms around town as cleanly as possible. When a catalytic converter breaks down, not only does it send pollutants into the air we all breathe, but your car’s power, performance and fuel economy suffer as well. When the time comes for you to replace you old catalytic converter, do yourself a favor, do your car a favor and do the air we all breathe a favor, install a new DEC Catalytic Converter. Made to exacting standards and promises to give your miles of worry-free driving Do what is best for your car and the air. Install a BMW Catalytic Converter. Gearheads completely deserve excellent sales assistance while purchasing good quality auto parts. For our valued customers, we run an always-online information and support bureau to assist you with your calls. If you find a better price, give us a call - we will meet or beat any legitimate auto part price.