Engine M132 valve timing components and cup tappet adjustment for Smart Fortwo 451 mechanical system.

Cutaway engine diagram showing valve timing components, camshafts, and cup tappets with 12 numbered callouts.

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See all Powertrain figures for the Fortwo (451), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.