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X7

Rims for BMW X7 in Easy-to-Read Graphs

Average rim size per years

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Quick notes on BMW X7 rims

    • Average rim diameter: 20.4 in. (518 mm)
    • Average rim width: 8.4 in. (213 mm)
    • Max speed on original rims: 155 mph (250 km/h)
    • Load to one rim: 601 kg (1325 lbs)
    • Rim diameter to car height: 29%
    • Power in 1 mm of rim width: 1.87 hp/mm (1.38 kW/mm)
    • Rims diameter to fuel consumption: 18.5 mm to 1 mpg
    • Summary width of rims: 34 in. (864 mm)
    • Rim circumference: 64.1 in. per wheel (1628 mm)
    • Rimsley rating: 10 / 10

Original 2019 BMW X7 rim size

  • 50i — 8 in. width and 20 in. diameter
  • 30d — 8 in. width and 20 in. diameter
  • M50d — 9 in. width and 21 in. diameter
  • 40i — 8 in. width and 20 in. diameter
  • M50i V8 — 9 in. width and 21 in. diameter

    Possible tire width

  • 50i — 215 mm min and 245 mm max
  • 30d — 215 mm min and 245 mm max
  • M50d — 235 mm min and 265 mm max
  • 40i — 215 mm min and 245 mm max
  • M50i V8 — 235 mm min and 265 mm max

    • Disc diameter to power ratio

  • 50i — 23 hp per 1 in. (17 kW/in)
  • 30d — 13 hp per 1 in. (10 kW/in)
  • M50d — 19 hp per 1 in. (14 kW/in)
  • 40i — 17 hp per 1 in. (13 kW/in)
  • M50i V8 — 25 hp per 1 in. (19 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    50i 8J x 20
    (203 x 508 mm)     		0.8 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    30d 8J x 20
    (203 x 508 mm)     		0.8 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    M50d 9J x 21
    (229 x 533 mm)     		0.7 mm to 1 Nm 42.9% 264 in.
    (6706 mm)     		36 in.
    (914 mm)
    40i 8J x 20
    (203 x 508 mm)     		1.1 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    M50i V8 9J x 21
    (229 x 533 mm)     		0.7 mm to 1 Nm 42.9% 264 in.
    (6706 mm)     		36 in.
    (914 mm)
    Vehicle 50i
    Rim width and diameter 8J x 20
    (203 x 508 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 40%
    Total rims circumference 251 in.
    (6375 mm)
    Total rims width 32 in.
    (813 mm)
    Vehicle 30d
    Rim width and diameter 8J x 20
    (203 x 508 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 40%
    Total rims circumference 251 in.
    (6375 mm)
    Total rims width 32 in.
    (813 mm)
    Vehicle M50d
    Rim width and diameter 9J x 21
    (229 x 533 mm)
    Rim diameter to torque 0.7 mm to 1 Nm
    Rim width to diameter ratio 42.9%
    Total rims circumference 264 in.
    (6706 mm)
    Total rims width 36 in.
    (914 mm)
    Vehicle 40i
    Rim width and diameter 8J x 20
    (203 x 508 mm)
    Rim diameter to torque 1.1 mm to 1 Nm
    Rim width to diameter ratio 40%
    Total rims circumference 251 in.
    (6375 mm)
    Total rims width 32 in.
    (813 mm)
    Vehicle M50i V8
    Rim width and diameter 9J x 21
    (229 x 533 mm)
    Rim diameter to torque 0.7 mm to 1 Nm
    Rim width to diameter ratio 42.9%
    Total rims circumference 264 in.
    (6706 mm)
    Total rims width 36 in.
    (914 mm)