Here's how it went for me:
Got the 19mm screw plug off easily with a breaker bar.
Couldn't push the extended chain tensioner in with my hands. :confused:
Drop the tensioner and watch it fall into two pieces and a displaced lower split ring. :eek:
The metal gasket ring (07119963355) around the screw plug falls and disappears into an alternate universe.
I offer passionate entreaties to God about this series of events. :mad:
I look up on realoem.com that an M10 uses the same gasket ring.:cool:
Pick up the gasket ring at the salvage yard and a six-inch C clamp from a hardware store.
Successfully compress the tensioner using the C clamp with a little nudge on the lower split ring with a small screwdriver and am able to lock it in so it doesn't fly apart.
Move the windshield washer tank out of the way and can get the chain tensioner, gasket ring, and screw cap to thread by hand.
After cinching up the screw cap with a 3/8 inch ratchet, only takes 3 seconds of noisy idling before the tensioner fills with oil.
The engine is a bit quieter, and I am grateful.
