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Hello Group,
I recently bought a VCDS cable from Ross Tech and I want to have a better accurate reading on my MPG. I have a 2014 VW Beetle convertible 2.0 liter and I change from factory 17 inch wheels to 19 inch wheels. I was wondering if someone know how to adjust the computer to read the new tire and rims size.

Thanks for your help.
9069
 

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I found one parameter in the Control module for the Park and steer assist, where you state the circumference of your 19 inch wheels (plus tyres of course). I am not sure if that parameter also impacts the consumption calculation, because as far as I know that depends on a variety of sensors that can also misread values if you mod your engine for example. So, my little wisdom ends there. But in general your current wheels and your 17 inch originals should be within a tolerance limit afaik
 
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