The BMW M50 and S50 were inline six-cylinder petrol engines that were available from 1990 and 1992, respectively. M50 engine Available from 1990, the M50 was the first BMW engine to have double overhead camshafts (chain-driven), four valves per cylinder and self-adjusting hydraulic valve lifters (tappets). Furthermore, the M50 was the first production engine to […]
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