In connection with the ever-deteriorating gasoline, it is wise to know which spark plugs are in one Panhard Dyna x must be screwed. The engine performs best with relatively cold spark plugs. Different manufacturers supply for the Dyna x the right spark plug. Marchal and SEV Marchal 35 and 345 respectively. Bosch: W225T3, W225T1, W145T1, W6B, W7B, W955T1, W175T7 and W175T35. Champion includes L10, L105, L82Y, L86, L86C, L87Y, L88, L88C, L90, L90C N4, L92Y, L92YC. With the B4H, BP4H, BP6H, BP6HS or BP7H, NGK is preferred.