DJM3

Hi Jon Dee, thanks for the reply - im now second guessing my memory - I dont know if it was because it was the first time i had hand cranked the engine in about 6 month or there was some slight resistance. But it did feel "tight" for that first rotation and after i redid things it was more free. . but again i could be all in my head. Hi M3AN! Log time, Thanks for replying, I do feel much better hearing that now! Im just not sure why the valves are leaking air/ bubbling when i put solvent in the intake port and apply compressed air. My engine builder did say there was 2 options for this 1. I bent or damaged the valve face 2. there is rust on the valve seat as the head has been in storage for 7 months before i put it on I will be putting a scope in the bore on saturday anyway

Hi all, Was hoping to get some advise - I am elbow deep in a head gasket build on my M3 and was progressing through the cam install and timing. this where where I think I made a boo boo. on the “intake cam hub” I has everything fitted up and was aligned (2 bolts in the hub ) but they were not tight . I then proceeded to rotate the engine (by hand) and the locking bolts moved all the way to the end of the “slots” My question is- have I now made valves kiss pistons ? Or is there a margin of safety with these “slots” on the hub? sorry is that is not easy to flow ! adding a bit more content The intake hub was assembled, 2x m8 bolts were securing it ( just not enough to stop the bolts sliding all the way to the end of the “slots”) so when I hand cranked, it all moved . I added a picture - In the top picture that is the amount of “movement “ in the hub circled in blue. The bottom pic was the hub assembled- how I had it (just not tight enough) Hoping that “that amount of movement “ was within safe limits !!!