What do I need to do to put a 4 channel aftermarket amp (mrp-f300) in place where the current stock amp is? I know i cant just swap it but what would i need to buy. thanks guys
A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more!