Quote:
Originally Posted by Neverenoughboost
Exactly. As a 1M owner I hope for more than just a drop in N55, the N54T was designed for the 1M
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No, the N54T was used in the Z4 35is before the 1M and still is in production today... cooling system (larger water cooler), exhaust (race cat vs normal cats) and engine cover was changed in the 1M though.