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Speedometer correction


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I have a R53 Mini Cooper, I have a link G4+ extreme connected to a Dash2 Pro. I'm witching from 215/45/17 tires to 225/45/15 tires so i know the speedo is going to show a faster speed than i'm actually going. Is there a way to make this correction in the ECU?

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You can correct the driven speed using the driven wheel speed correction %

This is found in the chassis and body section in speed sources



Edited by Simon
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No, you must be looking at DI input calibration.  For your car where the wheel speed comes in via CAN bus you only have a % adjustment.  So if your speedometer is now reading 5% too fast then you put -5% in the driven wheel speed correction % field.

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