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Clamshell Hood
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The radiator grille shutter opens the cooling air flaps only as needed. Whenever the cooling requirement is low, such as on relaxed drives, the radiator grille shutter closes.
In order to fit these turbocharged V6 engines under the especially streamlined hood, certain prerequisites had to be created for the engine space, such as a special air guide on the intake side. The cooling headwind enters the forward area of the engine compartment through the wide air intakes in the front end and is then partly routed through specially designed channels in the hood to the air filters and ultimately the turbochargers.
