N54 may refer to:
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N54 (Long Island bus)
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BMW N54
The BMW N54 is a twin-turbocharged straight-six petrol engine that was produced from 2006 to 2016. It is BMW's first mass-produced turbocharged petrol engine and BMW's first turbocharged petrol engine since the limited-production BMW M106 was disc ...
, an automobile engine
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Governor Pack Road, in the Philippines
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N54 road (Ireland)
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