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Wheel & Tyre question

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by Pinknoise, Jun 14, 2009.

  1. Pinknoise
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    Pinknoise Cock in an Audi

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    [Jun 14, 2009]
    What would 7.5x18 ET54 rims sit like on a C6 S-Line?

    What would 225/40/18 tyres run like instead of 225/40/18? According to a tyre calculator online they are only 2% slower than stock.

    All thoughts and input will be appreciated!
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  3. Cockney Boy
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    Cockney Boy Member VCDS Map User

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    [Jun 15, 2009]
    Looking at your wheel size, i take it you are looking for an after market rim? the 225/40/18 will fit but i would go for a 235 that should already be on your A6. It will help if you could say where your from, as someone may know a dealer who can sort these out.

    I have 20" Audi rims on my A6 that are 245/40/20 they nice and quiet and i get very little road noise as i fill them with Nitrogen.

    If you go for a bigger rim size, remember that you will have to re-program your Audi via VAG-COM to accept the new rim diamiter.
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  4. Pinknoise
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    Pinknoise Cock in an Audi

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    [Jun 15, 2009]
    First of all, sorry my second question should have read what would 225/40 run like instead of 245/40/18.

    Does nitrogen really help diminish road noise?

    Reprogram the car for bigger wheels? I have full version VAG-COM, but not a CAN BUS lead. Would my 2005 A6 be can bus?
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  5. CO11K9
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    CO11K9 Member

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    [Jun 15, 2009]

    Have you got any pics of your wheels on your car?
    I am thinking of getting 20 inch wheels on my A6 Avant 2001, or going for the cheaper 19ins..................what do you think?
    Kev:sign_pics:
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  6. Pinknoise
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    Pinknoise Cock in an Audi

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    [Jun 15, 2009]
    The other wheels i'm thinking of fitting with the 225/40/18 came of an S3. They are BBS CH rims.
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  7. Yellowtrophy
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    Yellowtrophy Member

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    [Jun 16, 2009]
    ET54 offset wheels will sit so far under the arches your car will look like a motorbike! The standard rims on my 3.0TDI S-Line (C6) are ET42, and they sit a little further under the arches than I'd like. Ideally, you want ET35-37. I suppose you could always fit hubcentric spacers, but that is even more money.

    As for the BBS CH rims, I think they look to small at 18" for the design of the wheel - the 19" style strectches them out a little better, and really shows them off.
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