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BMW's three-cylinder engine plan
08 June 2010
BMW is continuing development of its three-cylinder engine, which is mooted to be launched in the 1-series.
The engine is based on BMW's new common 500cc-per-cylinder design and uses direct injection and turbocharging.
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A source told Autocar: "This is not an entry-level unit. It's a serious, refined, sporting engine with great CO2 figures."
BMW sources have told Autocar that the next 1-series has been engineered to cope with the unique noise and vibration of a three-cylinder engine.
BMW has had experience with three-cylinder units in its motorcycles, where reducing NVH is crucial.
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