pcv

My 2002 e39 540i is on 255k km. Car idles and drives fine except for a puff of thick white smoke on start up and occasionally while driving. I purchased a replacement PCV but only replaced the cap and diaphragm on the back of the intake. The smoke stopped but the PCV started giving...

Hey there guys, So a little guidance required here please. December last year I had the Tappet cover plus gasket replaced since the PCV started whining. This fixed the horrid noise and the rough idle I had so I was over the moon when I got it back. Now, 3 months later we are back to square 1...