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BMW X4 Transmission Information in Quick-to-Read Graphs

Average transmission load (Nm)

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Quick notes on BMW X4 transmission

    • Drive: All wheel drive (4x4)
    • Gearbox construction: Automatic
    • Transmission type: 8 Steptronic
    • Average acceleration: 6.4 s to 60 mph
    • Average optimal engine speed: 4686 rpm
    • Average torque: 476 Nm
    • Weight to torque ratio: 4 kg to 1 Nm
    • Average weight: 1817 kg / 4006 lbs
    • Maximum load for transmission: 2627 kg / 5793 lbs
    • Gearboxy rating: 10 / 10

Gearbox types in 2018 BMW X4 through generations

  • 30i —8 Steptronic (350 Nm)
  • 25d —8 Steptronic (500 Nm)
  • 20i —8 Steptronic (290 Nm)
  • 20d —8 Steptronic (400 Nm)
  • M40d —8 Steptronic (680 Nm)
  • 30d —8 Steptronic (620 Nm)
  • M40i —8 Steptronic (495 Nm)

    • Acceleration with different gearboxes

  • 30i 8 Steptronic—6 s to 60 mph (6.3 s to 100 kmh )
  • 25d 8 Steptronic—6.5 s to 60 mph (6.8 s to 100 kmh )
  • 20i 8 Steptronic—7.9 s to 60 mph (8.3 s to 100 kmh )
  • 20d 8 Steptronic—7.5 s to 60 mph (7.9 s to 100 kmh )
  • M40d 8 Steptronic—4.7 s to 60 mph (4.9 s to 100 kmh )
  • 30d 8 Steptronic—5.5 s to 60 mph (5.8 s to 100 kmh )

    Optimal engine speed at last gear

  • 30i 8 Steptronic—5200-6500 rpm.
  • 25d 8 Steptronic—4400 rpm.
  • 20i 8 Steptronic—5000-6500 rpm.
  • 20d 8 Steptronic—4000 rpm.
  • M40d 8 Steptronic—4400 rpm.
  • 30d 8 Steptronic—4000 rpm.
  • M40i 8 Steptronic—5800-6500 rpm.

    • Vehicle Transmission type Gears Drive type Optimal rpm Transmission efficiency
    30i Automatic 8 Steptronic All wheel drive (4x4) 5200-6500 rpm. 84%
    25d Automatic 8 Steptronic All wheel drive (4x4) 4400 rpm. 96%
    20i Automatic 8 Steptronic All wheel drive (4x4) 5000-6500 rpm. 91%
    20d Automatic 8 Steptronic All wheel drive (4x4) 4000 rpm. 96%
    M40d Automatic 8 Steptronic All wheel drive (4x4) 4400 rpm. 96%
    30d Automatic 8 Steptronic All wheel drive (4x4) 4000 rpm. 96%
    M40i Automatic 8 Steptronic All wheel drive (4x4) 5800-6500 rpm. 69%
    Vehicle 30i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5200-6500 rpm.
    Transmission efficiency 84%
    Vehicle 25d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4400 rpm.
    Transmission efficiency 96%
    Vehicle 20i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5000-6500 rpm.
    Transmission efficiency 91%
    Vehicle 20d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4000 rpm.
    Transmission efficiency 96%
    Vehicle M40d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4400 rpm.
    Transmission efficiency 96%
    Vehicle 30d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4000 rpm.
    Transmission efficiency 96%
    Vehicle M40i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5800-6500 rpm.
    Transmission efficiency 69%

    Quick notes on BMW X4 transmission

      • Drive: All wheel drive (4x4)
      • Gearbox construction: Automatic
      • Transmission type: 8 Steptronic
      • Average acceleration: 6 s to 60 mph
      • Average optimal engine speed: 4857 rpm
      • Average torque: 439 Nm
      • Weight to torque ratio: 4 kg to 1 Nm
      • Average weight: 1787 kg / 3940 lbs
      • Maximum load for transmission: 2597 kg / 5726 lbs
      • Gearboxy rating: 10 / 10

    Gearbox types in 2014 BMW X4 through generations

  • M40i —8 Steptronic (465 Nm)
  • 20d —8 Steptronic (400 Nm)
  • 20i —8 Steptronic (270 Nm)
  • 30d —8 Steptronic (560 Nm)
  • 35d —8 Steptronic (630 Nm)
  • 35i —8 Steptronic (400 Nm)
  • 28i —8 Steptronic (350 Nm)

    • Acceleration with different gearboxes

  • M40i 8 Steptronic—4.7 s to 60 mph (4.9 s to 100 kmh )
  • 20d 8 Steptronic—7.6 s to 60 mph (8 s to 100 kmh )
  • 20i 8 Steptronic—7.7 s to 60 mph (8.1 s to 100 kmh )
  • 30d 8 Steptronic—5.5 s to 60 mph (5.8 s to 100 kmh )
  • 35d 8 Steptronic—4.9 s to 60 mph (5.2 s to 100 kmh )
  • 35i 8 Steptronic—5.2 s to 60 mph (5.5 s to 100 kmh )
  • 28i 8 Steptronic—6.1 s to 60 mph (6.4 s to 100 kmh )

    Optimal engine speed at last gear

  • M40i 8 Steptronic—5800-6000 rpm.
  • 20d 8 Steptronic—4000 rpm.
  • 20i 8 Steptronic—5000-6250 rpm.
  • 30d 8 Steptronic—4000 rpm.
  • 35d 8 Steptronic—4400 rpm.
  • 35i 8 Steptronic—5800-6400 rpm.
  • 28i 8 Steptronic—5000-6500 rpm.

    • Vehicle Transmission type Gears Drive type Optimal rpm Transmission efficiency
    M40i Automatic 8 Steptronic All wheel drive (4x4) 5800-6000 rpm. 69%
    20d Automatic 8 Steptronic All wheel drive (4x4) 4000 rpm. 96%
    20i Automatic 8 Steptronic All wheel drive (4x4) 5000-6250 rpm. 91%
    30d Automatic 8 Steptronic All wheel drive (4x4) 4000 rpm. 96%
    35d Automatic 8 Steptronic All wheel drive (4x4) 4400 rpm. 96%
    35i Automatic 8 Steptronic All wheel drive (4x4) 5800-6400 rpm. 69%
    28i Automatic 8 Steptronic All wheel drive (4x4) 5000-6500 rpm. 91%
    Vehicle M40i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5800-6000 rpm.
    Transmission efficiency 69%
    Vehicle 20d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4000 rpm.
    Transmission efficiency 96%
    Vehicle 20i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5000-6250 rpm.
    Transmission efficiency 91%
    Vehicle 30d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4000 rpm.
    Transmission efficiency 96%
    Vehicle 35d
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 4400 rpm.
    Transmission efficiency 96%
    Vehicle 35i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5800-6400 rpm.
    Transmission efficiency 69%
    Vehicle 28i
    Transmission type Automatic
    Gears 8 Steptronic
    Drive type All wheel drive (4x4)
    Optimal rpm 5000-6500 rpm.
    Transmission efficiency 91%