2017 VW tiguan 4motion increase in tyre size





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  1. #1
    Join Date
    Oct 2019
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    Centurion
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    31
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    2

    Default 2017 VW tiguan 4motion increase in tyre size

    I am going on a trip to Richtersveld next year with my dad and he will be using his 2017 VW Tiguan 2 TSi 4motion. Currently he is running the standard factory tyres 245/55/18, and be is olanning on increasing the tyre size to 245/60/18.

    Does anyone know if there will be any problems with the ECU, abs, traction control, and 4wheel drive system. Theoretically if we look at the tyre size calculators he will increase from a 28" road tyre to a 29" all terrain which is better suited for the Richtersveld driving terrain. We know it will affect fuel consumption and make the engine and drivetrain work a little harder, but we are trying to determine if this will influence the electronics and reliability of the vehicle, and if the comouter will have to be reprogrammed to compensate for the new tyre size.

    Any suggestions or comments will be appreciated.

    Thanx

  2. #2
    Join Date
    Feb 2016
    Location
    Paarl
    Age
    44
    Posts
    1,113

    Default Re: 2017 VW tiguan 4motion increase in tyre size

    As long as all 5 are changed I think the ECU et all will be happy.

    Problems arise when one wheel turns faster than the others. then ECU thinks that wheel is 'spinning' and tries to compensate.

    Of course your speedo will be out and it will have a higher rolling resistance
    1996 Discovery 1 (SOLD)
    2009 Corsa Utility 1.7Dti (Everyday drive)
    2001 Mercedes C180 (SOLD)
    2012 Nissan Xtrail 2.0 (Weekend Wagon)
    2010 Kia Sedona 2.9Crdi (Written off)

  3. #3
    Join Date
    Oct 2019
    Location
    Centurion
    Age
    31
    Posts
    2

    Default Re: 2017 VW tiguan 4motion increase in tyre size

    Thank you for the response Nitebob, appreciate it.

    Makes perfect sense.

    Will let my dad know.

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