Removing the valves
Remove the complete head from the engine (Removing the engine heads).
Remove the timing pulleys (Removing the timing layshaft pulleys).
Remove the coils.
Remove the cylinder head covers, the camshaft supports and the camshafts (Removing the camshafts).
Raise rocker arm (3) and remove the opening shim (4) from the valves with a pair of pliers.
Push down the closing rocker arms (5) and (6) and the closing shim (7).
Remove the split rings (8) from the valves with a magnetic screwdriver.
Extract the closing shims (7) from the valve using a pair of pliers.
Withdraw the valves (9) and (10) from underside of the cylinder head.
Repeat the same procedure for the other cylinder head.