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B12

Rims for Alpina B12 in Easy-to-Read Graphs

Average rim size per years

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Quick notes on Alpina B12 rims

    • Average rim diameter: 20 in. (508 mm)
    • Average rim width: 8 in. (203 mm)
    • Max speed on original rims: 174 mph (280 km/h)
    • Load to one rim: 509 kg (1122 lbs)
    • Rim diameter to car height: 36%
    • Power in 1 mm of rim width: 1.91 hp/mm (1.4 kW/mm)
    • Rims diameter to fuel consumption: 25.4 mm to 1 mpg
    • Summary width of rims: 32 in. (813 mm)
    • Rim circumference: 62.8 in. per wheel (1595 mm)
    • Rimsley rating: 8 / 10

Original 1995 Alpina B12 rim size

  • 5.7 i V12 E-Kat Switchtronic — 8 in. width and 20 in. diameter

    Possible tire width

  • 5.7 i V12 E-Kat Switchtronic — 215 mm min and 245 mm max

    • Disc diameter to power ratio

  • 5.7 i V12 E-Kat Switchtronic — 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
    5.7 i V12 E-Kat Switchtronic 8J x 20
    (203 x 508 mm)     		0.9 mm to 1 Nm 40% 251 in.
    (6375 mm)     		32 in.
    (813 mm)
    Vehicle 5.7 i V12 E-Kat Switchtronic
    Rim width and diameter 8J x 20
    (203 x 508 mm)
    Rim diameter to torque 0.9 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 Alpina B12 rims

      • Average rim diameter: 18 in. (457 mm)
      • Average rim width: 8 in. (203 mm)
      • Max speed on original rims: 186 mph (300 km/h)
      • Load to one rim: 457 kg (1008 lbs)
      • Rim diameter to car height: 34%
      • Power in 1 mm of rim width: 1.89 hp/mm (1.39 kW/mm)
      • Rims diameter to fuel consumption: 22.85 mm to 1 mpg
      • Summary width of rims: 32 in. (813 mm)
      • Rim circumference: 56.5 in. per wheel (1435 mm)
      • Rimsley rating: 6 / 10

    Original 1990 Alpina B12 rim size

  • 5.0 i V12 — 8 in. width and 18 in. diameter
  • 5.7 i V12 24V — 8 in. width and 18 in. diameter

    Possible tire width

  • 5.0 i V12 — 215 mm min and 245 mm max
  • 5.7 i V12 24V — 215 mm min and 245 mm max

    • Disc diameter to power ratio

  • 5.0 i V12 — 19 hp per 1 in. (14 kW/in)
  • 5.7 i V12 24V — 23 hp per 1 in. (17 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    5.0 i V12 8J x 18
    (203 x 457 mm)     		1 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    5.7 i V12 24V 8J x 18
    (203 x 457 mm)     		0.8 mm to 1 Nm 44.4% 226 in.
    (5740 mm)     		32 in.
    (813 mm)
    Vehicle 5.0 i V12
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 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 5.7 i V12 24V
    Rim width and diameter 8J x 18
    (203 x 457 mm)
    Rim diameter to torque 0.8 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 Alpina B12 rims

      • Average rim diameter: 17 in. (432 mm)
      • Average rim width: 9 in. (229 mm)
      • Max speed on original rims: 171 mph (275 km/h)
      • Load to one rim: 465 kg (1025 lbs)
      • Power in 1 mm of rim width: 1.53 hp/mm (1.13 kW/mm)
      • Rims diameter to fuel consumption: 19.64 mm to 1 mpg
      • Summary width of rims: 36 in. (914 mm)
      • Rim circumference: 53.4 in. per wheel (1356 mm)
      • Rimsley rating: 4 / 10

    Original 1988 Alpina B12 rim size

  • 5.0 i V12 — 9 in. width and 17 in. diameter

    Possible tire width

  • 5.0 i V12 — 235 mm min and 265 mm max

    • Disc diameter to power ratio

  • 5.0 i V12 — 21 hp per 1 in. (15 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    5.0 i V12 9J x 17
    (229 x 432 mm)     		0.9 mm to 1 Nm 52.9% 214 in.
    (5436 mm)     		36 in.
    (914 mm)
    Vehicle 5.0 i V12
    Rim width and diameter 9J x 17
    (229 x 432 mm)
    Rim diameter to torque 0.9 mm to 1 Nm
    Rim width to diameter ratio 52.9%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 36 in.
    (914 mm)