Get the most out of the bf109

I constantly have the problem that as soon as the bf109 gets a bit slow I cannot get her accelerate somehow in lvl flight (ok dive will do but that's not the only way to accelerate her). It seems as if she only bled speed and stays there.

I am also confused about the engine sound. It gets low frequency when I get slower but so much that I am always afraid that the engine stops at any moment. This is most sever in a steep climb. Here also the lack of performance is really evident.

I have been overtaken by spits with lowered flaps.

Also it seems that the 109 cannot turn at all. I know that it won't turn like a spit but as far as I know the discrepancy in turn ability between the spit and early 109 wasn't THAT huge.

So could some of your 109 experts give me some advice? I play full CEM.