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X4

Rims for BMW X4 in Easy-to-Read Graphs

Average rim size per years

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Quick notes on BMW X4 rims

    • Average rim diameter: 18.6 in. (472 mm)
    • Average rim width: 7.3 in. (185 mm)
    • Max speed on original rims: 155 mph (250 km/h)
    • Load to one rim: 450 kg (991 lbs)
    • Rim diameter to car height: 29%
    • Power in 1 mm of rim width: 1.39 hp/mm (1.02 kW/mm)
    • Rims diameter to fuel consumption: 13.11 mm to 1 mpg
    • Summary width of rims: 29 in. (737 mm)
    • Rim circumference: 58.4 in. per wheel (1483 mm)
    • Rimsley rating: 6 / 10

Original 2018 BMW X4 rim size

  • 30i — 7 in. width and 18 in. diameter
  • 25d — 7 in. width and 18 in. diameter
  • 20i — 7 in. width and 18 in. diameter
  • 20d — 7 in. width and 18 in. diameter
  • M40d — 8 in. width and 20 in. diameter
  • 30d — 7 in. width and 18 in. diameter
  • M40i — 8 in. width and 20 in. diameter

    Possible tire width

  • 30i — 195 mm min and 225 mm max
  • 25d — 195 mm min and 225 mm max
  • 20i — 195 mm min and 225 mm max
  • 20d — 195 mm min and 225 mm max
  • M40d — 215 mm min and 245 mm max
  • 30d — 195 mm min and 225 mm max
  • M40i — 215 mm min and 245 mm max

    • Disc diameter to power ratio

  • 30i — 14 hp per 1 in. (10 kW/in)
  • 25d — 13 hp per 1 in. (9 kW/in)
  • 20i — 10 hp per 1 in. (8 kW/in)
  • 20d — 11 hp per 1 in. (8 kW/in)
  • M40d — 16 hp per 1 in. (12 kW/in)
  • 30d — 15 hp per 1 in. (11 kW/in)
  • M40i — 18 hp per 1 in. (13 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    30i 7J x 18
    (178 x 457 mm)     		1.3 mm to 1 Nm 38.9% 226 in.
    (5740 mm)     		28 in.
    (711 mm)
    25d 7J x 18
    (178 x 457 mm)     		0.9 mm to 1 Nm 38.9% 226 in.
    (5740 mm)     		28 in.
    (711 mm)
    20i 7J x 18
    (178 x 457 mm)     		1.6 mm to 1 Nm 38.9% 226 in.
    (5740 mm)     		28 in.
    (711 mm)
    20d 7J x 18
    (178 x 457 mm)     		1.1 mm to 1 Nm 38.9% 226 in.
    (5740 mm)     		28 in.
    (711 mm)
    M40d 8J x 20
    (203 x 508 mm)     		0.7 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    30d 7J x 18
    (178 x 457 mm)     		0.7 mm to 1 Nm 38.9% 226 in.
    (5740 mm)     		28 in.
    (711 mm)
    M40i 8J x 20
    (203 x 508 mm)     		1 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    Vehicle 30i
    Rim width and diameter 7J x 18
    (178 x 457 mm)
    Rim diameter to torque 1.3 mm to 1 Nm
    Rim width to diameter ratio 38.9%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle 25d
    Rim width and diameter 7J x 18
    (178 x 457 mm)
    Rim diameter to torque 0.9 mm to 1 Nm
    Rim width to diameter ratio 38.9%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle 20i
    Rim width and diameter 7J x 18
    (178 x 457 mm)
    Rim diameter to torque 1.6 mm to 1 Nm
    Rim width to diameter ratio 38.9%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle 20d
    Rim width and diameter 7J x 18
    (178 x 457 mm)
    Rim diameter to torque 1.1 mm to 1 Nm
    Rim width to diameter ratio 38.9%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle M40d
    Rim width and diameter 8J x 20
    (203 x 508 mm)
    Rim diameter to torque 0.7 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 7J x 18
    (178 x 457 mm)
    Rim diameter to torque 0.7 mm to 1 Nm
    Rim width to diameter ratio 38.9%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle M40i
    Rim width and diameter 8J x 20
    (203 x 508 mm)
    Rim diameter to torque 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)

    Quick notes on BMW X4 rims

      • Average rim diameter: 17.6 in. (447 mm)
      • Average rim width: 7.4 in. (188 mm)
      • Max speed on original rims: 155 mph (250 km/h)
      • Load to one rim: 447 kg (985 lbs)
      • Rim diameter to car height: 28%
      • Power in 1 mm of rim width: 1.41 hp/mm (1.04 kW/mm)
      • Rims diameter to fuel consumption: 12.77 mm to 1 mpg
      • Summary width of rims: 30 in. (762 mm)
      • Rim circumference: 55.3 in. per wheel (1405 mm)
      • Rimsley rating: 6 / 10

    Original 2014 BMW X4 rim size

  • M40i — 8 in. width and 19 in. diameter
  • 20d — 7 in. width and 17 in. diameter
  • 20i — 7 in. width and 17 in. diameter
  • 30d — 7 in. width and 17 in. diameter
  • 35d — 8 in. width and 18 in. diameter
  • 35i — 8 in. width and 18 in. diameter
  • 28i — 7 in. width and 17 in. diameter

    Possible tire width

  • M40i — 215 mm min and 245 mm max
  • 20d — 195 mm min and 225 mm max
  • 20i — 195 mm min and 225 mm max
  • 30d — 195 mm min and 225 mm max
  • 35d — 215 mm min and 245 mm max
  • 35i — 215 mm min and 245 mm max
  • 28i — 195 mm min and 225 mm max

    • Disc diameter to power ratio

  • M40i — 19 hp per 1 in. (14 kW/in)
  • 20d — 11 hp per 1 in. (8 kW/in)
  • 20i — 11 hp per 1 in. (8 kW/in)
  • 30d — 15 hp per 1 in. (11 kW/in)
  • 35d — 17 hp per 1 in. (13 kW/in)
  • 35i — 17 hp per 1 in. (13 kW/in)
  • 28i — 14 hp per 1 in. (11 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    M40i 8J x 19
    (203 x 483 mm)     		1 mm to 1 Nm 42.1% 239 in.
    (6071 mm)     		32 in.
    (813 mm)
    20d 7J x 17
    (178 x 432 mm)     		1.1 mm to 1 Nm 41.2% 214 in.
    (5436 mm)     		28 in.
    (711 mm)
    20i 7J x 17
    (178 x 432 mm)     		1.6 mm to 1 Nm 41.2% 214 in.
    (5436 mm)     		28 in.
    (711 mm)
    30d 7J x 17
    (178 x 432 mm)     		0.8 mm to 1 Nm 41.2% 214 in.
    (5436 mm)     		28 in.
    (711 mm)
    35d 8J x 18
    (203 x 457 mm)     		0.7 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    35i 8J x 18
    (203 x 457 mm)     		1.1 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    28i 7J x 17
    (178 x 432 mm)     		1.2 mm to 1 Nm 41.2% 214 in.
    (5436 mm)     		28 in.
    (711 mm)
    Vehicle M40i
    Rim width and diameter 8J x 19
    (203 x 483 mm)
    Rim diameter to torque 1 mm to 1 Nm
    Rim width to diameter ratio 42.1%
    Total rims circumference 239 in.
    (6071 mm)
    Total rims width 32 in.
    (813 mm)
    Vehicle 20d
    Rim width and diameter 7J x 17
    (178 x 432 mm)
    Rim diameter to torque 1.1 mm to 1 Nm
    Rim width to diameter ratio 41.2%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle 20i
    Rim width and diameter 7J x 17
    (178 x 432 mm)
    Rim diameter to torque 1.6 mm to 1 Nm
    Rim width to diameter ratio 41.2%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle 30d
    Rim width and diameter 7J x 17
    (178 x 432 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 41.2%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 28 in.
    (711 mm)
    Vehicle 35d
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 0.7 mm to 1 Nm
    Rim width to diameter ratio 44.4%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 32 in.
    (813 mm)
    Vehicle 35i
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 1.1 mm to 1 Nm
    Rim width to diameter ratio 44.4%
    Total rims circumference 226 in.
    (5740 mm)
    Total rims width 32 in.
    (813 mm)
    Vehicle 28i
    Rim width and diameter 7J x 17
    (178 x 432 mm)
    Rim diameter to torque 1.2 mm to 1 Nm
    Rim width to diameter ratio 41.2%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 28 in.
    (711 mm)