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Old 03-23-2015, 05:50 AM   #1
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BMW submits patents for aircooled W3 pushrod engines

New engine designs spark rumours of a new BMW cruiser or power cruiser

BMW has submitted patent applications for two different air-cooled W3 pushrod engines.

The engines - which have been designed to fit in the same space as a two-cylinder engine, but offer a third more capacity - are rumoured to be used a in a new cruiser or power cruiser.

According to the patents, both concepts would carry a gear-driven balance shaft to help minimise vibration from the three-cylinder engine.

The document said: ‘the invention represents an as of yet unknown type of W-3 reciprocating piston internal combustion engine.’
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