After reading some threads, I was wondering if I need a new fuel pump. I just installed a DASC and everything seems fine until I get into 6500rpm, then my CEL goes on for a second. My car is a 1995 318is and I was wondering if I should replace my fuel pump. Do fuel pumps lose their effectiveness through time? How do I now If my fuel pump is bad? Or should I leave it alone? Please help...NickG...Shawn Fogg...??