After receiving new engines and a new nomenclature last year, the BMW 4-series benefits from some more surface-level changes for 2018. Still available in turbocharged-four-cylinder 430i and turbocharged-six-cylinder 440i variants, the two-door 4-series lineup (along with the four-door Gran Coupe and the M4) also gets mildly revised chassis tuning. READ MORE ››
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