if you can afford it go 330 i dont now about it being an unbadged m3 maybe with sports backage or performance package
the difference between 330 and 328 is all in the engine but you will eb much better off with 330 if you have to go automatic
which of course i would never sugest
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"The difference between commiment and involvment is like a ham and egg breakfast the chicken was involved but the pig was commited"
"Thrice happy is the nation that has a glorious history. Far better it is to dare mighty things, to win glorious triumphs, even though checkered by failure, than to take rank with those poor spirits who neither enjoy much nor suffer much, because they live in the gray twilight that knows neither victory nor defeat." Theodore Roosevelt