Originally Posted by ripcurler03
What do ya'll think is the best yet most economical upgrade, performance wise (more speed and power) for a 1998 328i, e36? Thanks!
Looking at best bang for the buck, I recommend the M50 intake manifold swap. You can then follow that with a cold air intake and then a firmware reflash to make the most out of those bolt-ons. All the other stuff is cool and all, but it doesn't give you as favorable a cost/performance ratio.