M12 x 1.75 x 75

Fits:
2002-2006 R50 MINI Cooper and R53 MINI Cooper S Hatchback
2005-2008 R52 MINI Cooper and MINI Cooper S Convertible

Torque Bolt to 115 Nm or 85 ft-lb.

Tools for removing and installing the pulley can be found below:
NME5031 Crank Pulley wrench
NME5032 Crank Pulley Removal Tool
NME5033 Pulley installer tool

For an inexpensive Lightweight Crankshaft Pulley, see NME5038.

For the MINI Factory Vibration Damper replacement, see NME7647.

For a lightweight Harmonic Damper Upgrade, see NME5075.

For the Fluid Filled Harmonic Damper upgrade, see NME5080.

Fits the following MINI Cooper non-S models:

2002-2006 R50 MINI Cooper Hardtop 
2005-2008 R52 MINI Cooper Convertible

This pulley weighs 3.0 lbs.

Tools for removing and installing the pulley can be found below:
NME5031 Crank Pulley wrench
NME5032 Crank Pulley Removal Tool
NME5033 Pulley installer tool

For the factory replacement Bolt for the crank pulley, see NME7649.

Fits:

2002-2006 R53 MINI Cooper S Hatchback
2005-2008 R52 MINI Cooper S Convertible

For an aftermarket alternative, see NME5085.

For the Cooper non-S models, see NME7647.

Tools for removing and installing the pulley can be found below:
NME5031 Crank Pulley wrench
NME5032 Crank Pulley Removal Tool
NME5033 Pulley installer tool

For an inexpensive Lightweight Crankshaft Pulley, see NME5038.

For a lightweight Harmonic Damper Upgrade, see NME5075.

For the Fluid Filled Harmonic Damper upgrade, see NME5080.

For the factory replacement Bolt for the crank pulley, see NME7649.