You are welcome :-) You just ask all the questions you wan't. Someone is always able to answer.
And yes this engine has swirlflaps. I have recently changed my intake manifold to a new and better one from BMW. Just to be sure that there will be no problems with the flaps. There are solutions out there that can remove the swirlflaps but have no details about it.
If you look at realoem you cannot find the swirlflaps for them selves. They are in the intake manifold with vacuum control and are not sold seperately
This is what you need to change the oil on the gearbox: