I saw no major improvement, except my car fired up a bit faster
It just didin't need to turn over like AT ALL
Thats it for me, also you never have to get another one which is noce
318I convertible, Dinan Exhaust and performance chip
Roh BMW racing 17's, Dinan Stage 2 suspension system. Pinoeer CD player, pioneer speakers front and rear. Pioneer 400 watt 6 channel amp. and MTX 8" subwoofer.