I need to get a turbo for my car, twin turbo would be great but something better than the 335i's

and i dont wanna hear, oh u shoulda gotten a 335i... heard that too much and just dont want to spend a year tryin to sell and buy when ive already fallen in love with my 328i
that very helpfull in ways that i would probably understand later. but i realy need a yes or no answer. and if yes where please tell me