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      08-31-2010, 02:44 PM   #15
Beach
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Drives: 2011 135I
Join Date: Jul 2010
Location: Atlanta

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I don't see why they would revert back to the N54. They have put so much into the development of the N55 and have discussed using it in other future vehicles. Theoretically in our 135's N55 produces the same BHP and Torque as the N54. I think it would be easier to make the reliable power gains that should be necessary to put an M badge by using the N55. Just my thought.
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