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X7

BMW X7 Tire Sizes in Simple-to-Read Graphs

Tire width for different generations

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Quick notes on BMW X7 tires

    • Min-max tire width: 275—285 mm
    • Min-max wheel diameter: R20—R21
    • Min-max sidewall height: 128—138 mm
    • Tire width difference from average: -24.4%
    • Average wheel height: 786 mm
    • Tire width per 1 hp: 0.7 mm / 1 hp
    • Weight per 1 mm of tire width: 9 kg / 1 mm
    • Load to 1 tire: 601 kg / 1325 lbs
    • Power to 1 tire: 100 hp / 74 kW
    • Tiremain rating: 10 / 10

Tire width to car width ratio

  • Average tire width: 279 mm;
    Car body width: 2000 mm;
    Car width to tyre width: 14%;

    • Whole wheel height (in. and mm)

  • Disc height: 518 mm;
    Tire height: 134 mm;
    Wheel height: 786 mm;

    Tire width to power ratio

  • 50i — 0.6 mm per 1 hp (0.8 mm/kW)
  • 30d — 1 mm per 1 hp (1.4 mm/kW)
  • M50d — 0.7 mm per 1 hp (1 mm/kW)
  • 40i — 0.8 mm per 1 hp (1.1 mm/kW)
  • M50i V8 — 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
    50i 275 / 138 mm 783 mm
    (30.8 in)     		1099 cc (1.1 L) 2460 mm
    (96.9 in)     		1100 mm
    (43.3 in)
    30d 275 / 138 mm 783 mm
    (30.8 in)     		748 cc (0.75 L) 2460 mm
    (96.9 in)     		1100 mm
    (43.3 in)
    M50d 285 / 128 mm 790 mm
    (31.1 in)     		748 cc (0.75 L) 2482 mm
    (97.7 in)     		1140 mm
    (44.9 in)
    40i 275 / 138 mm 783 mm
    (30.8 in)     		750 cc (0.75 L) 2460 mm
    (96.9 in)     		1100 mm
    (43.3 in)
    M50i V8 285 / 128 mm 790 mm
    (31.1 in)     		- 2482 mm
    (97.7 in)     		1140 mm
    (44.9 in)
    Vehicle 50i
    Tire width / profile height 275 / 138 mm
    Whole tire height 783 mm (30.8 in)
    Engine сс to 1 tire 1099 cc (1.1 L)
    Tire circumferencee 2460 mm (96.9 in)
    Summary tire width 1100 mm (43.3 in)
    Vehicle 30d
    Tire width / profile height 275 / 138 mm
    Whole tire height 783 mm (30.8 in)
    Engine сс to 1 tire 748 cc (0.75 L)
    Tire circumferencee 2460 mm (96.9 in)
    Summary tire width 1100 mm (43.3 in)
    Vehicle M50d
    Tire width / profile height 285 / 128 mm
    Whole tire height 790 mm (31.1 in)
    Engine сс to 1 tire 748 cc (0.75 L)
    Tire circumferencee 2482 mm (97.7 in)
    Summary tire width 1140 mm (44.9 in)
    Vehicle 40i
    Tire width / profile height 275 / 138 mm
    Whole tire height 783 mm (30.8 in)
    Engine сс to 1 tire 750 cc (0.75 L)
    Tire circumferencee 2460 mm (96.9 in)
    Summary tire width 1100 mm (43.3 in)
    Vehicle M50i V8
    Tire width / profile height 285 / 128 mm
    Whole tire height 790 mm (31.1 in)
    Engine сс to 1 tire -
    Tire circumferencee 2482 mm (97.7 in)
    Summary tire width 1140 mm (44.9 in)

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