Cooper S (R56) L4-1.6L Turbo (N14) (2009)
Press down valve spring and spring retainer (1) with special tool 11 9 017.
Remove valve tapers with a magnet.
Remove valve spring and spring retainer.
Set down on special tool 11 4 480 in a tidy and orderly fashion.
Important:
Incorrect installation possible.
Incorrect installation will result in valve spring breakage.
Color marking (1) is normally on lower end of valve spring.
The larger diameter must point downwards to the valve stem seal.