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Thread: tire sizes

  1. #1

    Default tire sizes

    My '95 530i currently has 225/60R15 Uniroyal tires that I want to replace. What other tire sizes that are compatible with my 15x7 wheels? My car is not lowered. Do you think it is better for me to upgrade to 16s or 17s to have more options?

  2. #2
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
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    14,639

    Default

    I went with 205/65r15 on mine, the 225 were unobtanium. You want to keep the diameter close to stock so the speedo stays somewhat accurate. Tire place told me they couldn't put them on because they are not specified for the car. I said you have nothing else available and they put them on anyway.

    Check this link, can compare all different sizes and wheel size options. https://tiresize.com/tiresizes/225-60R15.htm
    Last edited by 632 Regal; 05-03-2018 at 04:59 PM.
    95 E34 530I V2.17
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  3. #3

    Default

    Thanks for the suggestion. The diameter and width of 205/65 are almost the same with 225/60.

  4. #4
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  5. #5
    Join Date
    May 2004
    Location
    Sydney, Australia
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    2,691

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    yes you can go to a 17x8 wheel and run 235/45/17 tyres. Plenty of options available.

  6. #6

    Default

    15*2.54 = 38.1 centimeters tire hole diameter.
    (60% of 225 ) * 2 = 27 centimeters 2 heights of tire wall.
    Total wheel diameter = 65.1 centimeters.

    Calculate the new size satisfying the desired rim size in accordance to this figure +/- 5 millimeters.

    Additionally, this link provides a helpful chart relating rim width to a tire's: http://www.tyresizecalculator.com/ch...rim-size-chart

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    Last edited by Rustam; 07-02-2018 at 05:46 PM.

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