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turbo boost

  1. DIY: Do It Yourself
    i dont know much about new 335i witch i heard i also a m54 but no one says what sieries m54 just 3.0 or new twin turbo modles but i was wondering if the twin turbo manifolds of a 335i tt or any other twin turbo modles will fit on my m54b30 2001 series im thinking of geting a universal twin turbo...