Quote:
Originally Posted by sochermit
I believe the only major change is the style of Turbo. I believe the 2011 had a duel Turbo and the 2012 has a single turbo. I am not knowledgeable enough to know what impact this has on the engine. The service guy just said that he would recommend I wait 6 to 8 months and see how things go. Being new to all this I though I would go along with his recommendation and see what the users, like you, would say about the subject.
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ALL N55's have a single dual scroll turbo(inlet). IF bmw had changed the engine they would have changed the engine code. Its still a N55 so its the same engine.