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Rims for BMW 8 Series in Easy-to-Read Graphs

Average rim size per years

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Quick notes on BMW 8 Series rims

    • Average rim diameter: 18.7 in. (475 mm)
    • Average rim width: 8 in. (203 mm)
    • Max speed on original rims: 155 mph (250 km/h)
    • Load to one rim: 483 kg (1066 lbs)
    • Rim diameter to car height: 35%
    • Power in 1 mm of rim width: 1.96 hp/mm (1.44 kW/mm)
    • Rims diameter to fuel consumption: 14.84 mm to 1 mpg
    • Summary width of rims: 32 in. (813 mm)
    • Rim circumference: 58.7 in. per wheel (1491 mm)
    • Rimsley rating: 6 / 10

Original 2019 BMW 8 Series rim size

  • M850i — 8 in. width and 20 in. diameter
  • 840d — 8 in. width and 18 in. diameter
  • 840i — 8 in. width and 18 in. diameter

    Possible tire width

  • M850i — 215 mm min and 245 mm max
  • 840d — 215 mm min and 245 mm max
  • 840i — 215 mm min and 245 mm max

    • Disc diameter to power ratio

  • M850i — 27 hp per 1 in. (20 kW/in)
  • 840d — 18 hp per 1 in. (13 kW/in)
  • 840i — 19 hp per 1 in. (14 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    M850i 8J x 20
    (203 x 508 mm)     		0.7 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    840d 8J x 18
    (203 x 457 mm)     		0.7 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    840i 8J x 18
    (203 x 457 mm)     		0.9 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    Vehicle M850i
    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 840d
    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 840i
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 0.9 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)

    Quick notes on BMW 8 Series rims

      • Average rim diameter: 18.7 in. (475 mm)
      • Average rim width: 8 in. (203 mm)
      • Max speed on original rims: 155 mph (250 km/h)
      • Load to one rim: 453 kg (998 lbs)
      • Rim diameter to car height: 35%
      • Power in 1 mm of rim width: 1.96 hp/mm (1.44 kW/mm)
      • Rims diameter to fuel consumption: 14.84 mm to 1 mpg
      • Summary width of rims: 32 in. (813 mm)
      • Rim circumference: 58.7 in. per wheel (1491 mm)
      • Rimsley rating: 6 / 10

    Original 2018 BMW 8 Series rim size

  • 840d — 8 in. width and 18 in. diameter
  • M850i — 8 in. width and 20 in. diameter
  • 840i — 8 in. width and 18 in. diameter

    Possible tire width

  • 840d — 215 mm min and 245 mm max
  • M850i — 215 mm min and 245 mm max
  • 840i — 215 mm min and 245 mm max

    • Disc diameter to power ratio

  • 840d — 18 hp per 1 in. (13 kW/in)
  • M850i — 27 hp per 1 in. (20 kW/in)
  • 840i — 19 hp per 1 in. (14 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    840d 8J x 18
    (203 x 457 mm)     		0.7 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    M850i 8J x 20
    (203 x 508 mm)     		0.7 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    840i 8J x 18
    (203 x 457 mm)     		0.9 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    Vehicle 840d
    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 M850i
    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 840i
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 0.9 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)

    Quick notes on BMW 8 Series rims

      • Average rim diameter: 18.7 in. (475 mm)
      • Average rim width: 8 in. (203 mm)
      • Max speed on original rims: 155 mph (250 km/h)
      • Load to one rim: 481 kg (1061 lbs)
      • Rim diameter to car height: 34%
      • Power in 1 mm of rim width: 1.96 hp/mm (1.44 kW/mm)
      • Rims diameter to fuel consumption: 14.84 mm to 1 mpg
      • Summary width of rims: 32 in. (813 mm)
      • Rim circumference: 58.7 in. per wheel (1491 mm)
      • Rimsley rating: 6 / 10

    Original 2019 BMW 8 Series rim size

  • 840i — 8 in. width and 18 in. diameter
  • M850i V8 — 8 in. width and 20 in. diameter
  • 840d — 8 in. width and 18 in. diameter

    Possible tire width

  • 840i — 215 mm min and 245 mm max
  • M850i V8 — 215 mm min and 245 mm max
  • 840d — 215 mm min and 245 mm max

    • Disc diameter to power ratio

  • 840i — 19 hp per 1 in. (14 kW/in)
  • M850i V8 — 27 hp per 1 in. (20 kW/in)
  • 840d — 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
    840i 8J x 18
    (203 x 457 mm)     		0.9 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    M850i V8 8J x 20
    (203 x 508 mm)     		0.7 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    840d 8J x 18
    (203 x 457 mm)     		0.7 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    Vehicle 840i
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 0.9 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 M850i V8
    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 840d
    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)

    Quick notes on BMW 8 Series rims

      • Average rim diameter: 16.1 in. (409 mm)
      • Average rim width: 7.5 in. (191 mm)
      • Max speed on original rims: 155 mph (250 km/h)
      • Load to one rim: 454 kg (1001 lbs)
      • Rim diameter to car height: 31%
      • Power in 1 mm of rim width: 1.57 hp/mm (1.15 kW/mm)
      • Rims diameter to fuel consumption: 19.48 mm to 1 mpg
      • Summary width of rims: 30 in. (762 mm)
      • Rim circumference: 50.6 in. per wheel (1285 mm)
      • Rimsley rating: 4 / 10

    Original 1989 BMW 8 Series rim size

  • 850i — 7.5 in. width and 16 in. diameter
  • 830i 3.0 — 7.5 in. width and 16 in. diameter
  • 840Ci 4.4 — 7.5 in. width and 16 in. diameter
  • 840i 4.0 — 7.5 in. width and 16 in. diameter
  • 850 Ci 5.0 — 7.5 in. width and 16 in. diameter
  • 850 Ci 5.4 — 7.5 in. width and 16 in. diameter
  • 850 Csi 5.6 — 7.5 in. width and 17 in. diameter

    Possible tire width

  • 850i — 205 mm min and 235 mm max
  • 830i 3.0 — 205 mm min and 235 mm max
  • 840Ci 4.4 — 205 mm min and 235 mm max
  • 840i 4.0 — 205 mm min and 235 mm max
  • 850 Ci 5.0 — 205 mm min and 235 mm max
  • 850 Ci 5.4 — 205 mm min and 235 mm max
  • 850 Csi 5.6 — 205 mm min and 235 mm max

    • Disc diameter to power ratio

  • 850i — 19 hp per 1 in. (14 kW/in)
  • 830i 3.0 — 14 hp per 1 in. (10 kW/in)
  • 840Ci 4.4 — 18 hp per 1 in. (13 kW/in)
  • 840i 4.0 — 18 hp per 1 in. (13 kW/in)
  • 850 Ci 5.0 — 19 hp per 1 in. (14 kW/in)
  • 850 Ci 5.4 — 20 hp per 1 in. (15 kW/in)
  • 850 Csi 5.6 — 22 hp per 1 in. (16 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    850i 7.5J x 16
    (191 x 406 mm)     		0.9 mm to 1 Nm 46.9% 201 in.
    (5105 mm)     		30 in.
    (762 mm)
    830i 3.0 7.5J x 16
    (191 x 406 mm)     		0.8 mm to 1 Nm 46.9% 201 in.
    (5105 mm)     		30 in.
    (762 mm)
    840Ci 4.4 7.5J x 16
    (191 x 406 mm)     		1 mm to 1 Nm 46.9% 201 in.
    (5105 mm)     		30 in.
    (762 mm)
    840i 4.0 7.5J x 16
    (191 x 406 mm)     		1 mm to 1 Nm 46.9% 201 in.
    (5105 mm)     		30 in.
    (762 mm)
    850 Ci 5.0 7.5J x 16
    (191 x 406 mm)     		0.9 mm to 1 Nm 46.9% 201 in.
    (5105 mm)     		30 in.
    (762 mm)
    850 Ci 5.4 7.5J x 16
    (191 x 406 mm)     		0.8 mm to 1 Nm 46.9% 201 in.
    (5105 mm)     		30 in.
    (762 mm)
    850 Csi 5.6 7.5J x 17
    (191 x 432 mm)     		0.8 mm to 1 Nm 44.1% 214 in.
    (5436 mm)     		30 in.
    (762 mm)
    Vehicle 850i
    Rim width and diameter 7.5J x 16
    (191 x 406 mm)
    Rim diameter to torque 0.9 mm to 1 Nm
    Rim width to diameter ratio 46.9%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 30 in.
    (762 mm)
    Vehicle 830i 3.0
    Rim width and diameter 7.5J x 16
    (191 x 406 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 46.9%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 30 in.
    (762 mm)
    Vehicle 840Ci 4.4
    Rim width and diameter 7.5J x 16
    (191 x 406 mm)
    Rim diameter to torque 1 mm to 1 Nm
    Rim width to diameter ratio 46.9%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 30 in.
    (762 mm)
    Vehicle 840i 4.0
    Rim width and diameter 7.5J x 16
    (191 x 406 mm)
    Rim diameter to torque 1 mm to 1 Nm
    Rim width to diameter ratio 46.9%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 30 in.
    (762 mm)
    Vehicle 850 Ci 5.0
    Rim width and diameter 7.5J x 16
    (191 x 406 mm)
    Rim diameter to torque 0.9 mm to 1 Nm
    Rim width to diameter ratio 46.9%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 30 in.
    (762 mm)
    Vehicle 850 Ci 5.4
    Rim width and diameter 7.5J x 16
    (191 x 406 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 46.9%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 30 in.
    (762 mm)
    Vehicle 850 Csi 5.6
    Rim width and diameter 7.5J x 17
    (191 x 432 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 44.1%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 30 in.
    (762 mm)