nice set of 18'' bmw rims,slam it on the ground with air,no spoilers,keep it clean and smooth oem+
small things that take a while to notice.
got a lot of ideas from the vw performance magazine,and some of the ideas ,i think,would work great on the e90
Ok I'm not a fan of modifying cars altough a chip or remap on the engine I do considder. But if you realy like modifying your car then enjoy it but please leave the special ones original, for instance:
e30 325is
e30 333
e46 m3 csl