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BMW X3 M Tire Sizes in Simple-to-Read Graphs

Tire width for different generations

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Quick notes on BMW X3 M tires

    • Min-max tire width: 255 mm
    • Min-max wheel diameter: R20—R21
    • Min-max sidewall height: 102—115 mm
    • Tire width difference from average: -17.3%
    • Average wheel height: 738 mm
    • Tire width per 1 hp: 0.5 mm / 1 hp
    • Weight per 1 mm of tire width: 8 kg / 1 mm
    • Load to 1 tire: 493 kg / 1086 lbs
    • Power to 1 tire: 124 hp / 91 kW
    • Tiremain rating: 10 / 10

Tire width to car width ratio

  • Average tire width: 255 mm;
    Car body width: 1897 mm;
    Car width to tyre width: 13%;

    • Whole wheel height (in. and mm)

  • Disc height: 521 mm;
    Tire height: 108 mm;
    Wheel height: 738 mm;

    Tire width to power ratio

  • 3.0 — 0.5 mm per 1 hp (0.7 mm/kW)
  • Competition 3.0 — 0.5 mm per 1 hp (0.7 mm/kW)

    Vehicle Tire width / profile height Whole tire height Engine сс to 1 tire Tire circumference Summary tire width
    3.0 255 / 115 mm 738 mm
    (29.1 in)     		748 cc (0.75 L) 2319 mm
    (91.3 in)     		1020 mm
    (40.2 in)
    Competition 3.0 255 / 102 mm 737 mm
    (29 in)     		748 cc (0.75 L) 2315 mm
    (91.1 in)     		1020 mm
    (40.2 in)
    Vehicle 3.0
    Tire width / profile height 255 / 115 mm
    Whole tire height 738 mm (29.1 in)
    Engine сс to 1 tire 748 cc (0.75 L)
    Tire circumferencee 2319 mm (91.3 in)
    Summary tire width 1020 mm (40.2 in)
    Vehicle Competition 3.0
    Tire width / profile height 255 / 102 mm
    Whole tire height 737 mm (29 in)
    Engine сс to 1 tire 748 cc (0.75 L)
    Tire circumferencee 2315 mm (91.1 in)
    Summary tire width 1020 mm (40.2 in)

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