The BMW N54 is a direct injection turbocharged straight-6 DOHC engine[1] which began production in 2006 and presently (2015) remains in production in the E89 Z4 sDrive 35is. It debuted at the 2006 Geneva Motor Show and was launched in late 2006 in the E92 335i. The N54 began to be phased out following the introduction of the N55 in 2009.
The N54 has won five straight International Engine of the Year awards,[2] and three straight Ward's 10 Best Engines awards[WIKI]
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