Cylinder head bolt tightening sequence numbered 1-8 for Smart 451 model engine 132.910 in four stages.

Top-down diagram of cylinder head showing eight bolt positions numbered 1 through 8 with directional arrow.

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See all Powertrain figures for the Fortwo (450), 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.