Have you ever wondered what goes on under the bonnet of your BMW M car? For starters, there is the engine, pistons, rods, spark plugs, cams and many more interesting bits that petrolheads drool about. But what makes your BMW M go vroom? Join Bertie as he takes us on a tour of the engine and explains how the crankshaft works.
Discover the BMW M3 Competition at [ Ссылка ] and the BMW M4 Competition Coupé at [ Ссылка ]
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