Ive seen a few mentions of a cheap recirc valve that should be changed. Brands like Mountune have been mentioned as well. Can anyone please expand what it is and how you do it. Ive never heard of it myself until now.
Yep the Mountune one is great. I am more a computer kind of person but I managed to fit it myself. You will need time and patience as there is not much room in there, oh and also a set of ball allen keys!