3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
im not an expert but C stands for coupe, like the 8 series, CS in CSI, stood for sport coupe.
about hp, bmw parts are not cheap so im not sure if you'll do well with "more hp for less money", but good luck and keep us posted.
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