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Originally Posted by castilla
That turbo spooling thing its only active in sport plus mode.Not in sport mode
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Pre-tensioning of the turbo is active in both Sport and Sport+ modes.
From the S55 Deep Dive & Interview:
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In the SPORT and SPORT PLUS modes, the waste gates remain closed under partial load and the mass flow is routed through the turbines, to ensure that the turbo chargers are already rotating at a higher base speed even in standby. Moreover, certain special engine control functions are brought into play that accelerate activation of the turbo chargers. This means that the car responds more closely to the accelerator in SPORT and SPORT PLUS modes.
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