Since I had a mechanic adjust the valves on my coupe I noticed a valve tap that seemed louder than before. When I asked he said it was normal for an m30. This was a couple of years ago. I’ve always been a bit intimidated by adjusting valves but I’d done it on my 2002 so it was time I did it on my coupe. So I found number 1 and 3 cylinders a little tight and number 5 was loose. I adjusted these three cylinders. The others seemed fine. After buttoning it up it and starting it the annoying tap was gone. I’m sure number 5 was the culprit. A Zen approach and the guide below from
@thehackmechanic helped me overcome my hesitation in tackling this fairly easy, but quite necessary, procedure.
First, to close out last week’s piece on the Black Shark: The $25 Chinese-made viscous fan clutch I ordered on eBay arrived. I installed it, and it solved the
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