The M20 is BMW’s legendary inline-6 from the late ‘70s through early ‘90s. Found in cars like the E30 325i, E28 528e, and E34 525i, it’s one of the most iconic analog BMW motors ever built. At VAC Motorsports, M20 cylinder head service isn’t just a cleanup — it’s a full performance-focused rebuild process designed for street, track, or boosted applications. 12 valves, single cam, pure mechanical feel. No plastic covers. No gimmicks. Just real inline-6 engineering. Built for revs. Built for boost
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