Quote:
Originally Posted by formula M
@ the cost of durability and maintenance.
BMW has de-stressed the N54 and engineered better intakes, exhaust to garner the additional +50ft-lbs of torque in the is and 1M.
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You mean current durability? Because I have yet to hear of a piggyback tuned N54 requiring any MORE maintenance than any other regular N54.
And are you saying that merely the "better" intakes and exhaust added 50/lbs of torque(catted as well)?????? Uhhh...no. The boost has been increased pure and simple to make the bulk of that extra torque.