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      08-03-2019, 05:29 PM   #35
Billfitz
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Drives: '15 328iX GT
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That's why. Pre-ignition can be controlled by retarding the timing, but that also hurts acceleration, so when the car senses that you're driving aggressively it cools the engine to control knocking with minimal, if any, retarding of the ignition timing.

Last edited by Billfitz; 08-03-2019 at 05:34 PM..
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