2003 Mini Cooper Base, Automatic CVTFACTORY OEM SERVICE PROCEDURE

ECVT Gear Ratios: Notes

The ECVT transmission includes a final drive and a secondary reduction drive arrangement.

The ratios are as follow:

  • Final drive ratio is 4.050:1 and the secondary reduction ratio is 1.423:1.
  • Low ratio of the belt and pulleys is 2.416:1, allowing a overall low ratio of 13.924:1.
  • Highest ratio of the belt and pulleys is 0.443:1, which provides an overall ratio of 2.553:1.
  • Reverse has on overall ratio of 15.472:1.
Fig 1: ECVT Pulley Configuration
G04724791Courtesy of BMW OF NORTH AMERICA, INC.
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  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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