Just an FYI the pcv valve on the 09-13 corolla is UNDER the intake manifold. Now, I'm sure that a BMW is more difficult but man this is crazy. one even has to drain the coolant, according to the factory steps.
How often do you change yours on a modern car?
VIDEO of Toyota Pcv Replace 2AR engine
How often do you change yours on a modern car?
VIDEO of Toyota Pcv Replace 2AR engine