Cooper (R56) L4-1.6L (N12) (2008)
Make sure return spring is correctly seated on special tool 11 9 571 (see arrow).
When special tool 11 9 571 is correctly positioned, return spring (2) can be pressed back with lever (1).
Press lever (1) in direction of arrow on special tool 11 9 571 until locking hook (2) engages on special tool 11 9 571.
Warning: