M52 328I Camshaft Timing Please Help !

Hello I recently replaced a head gasket and now im having issues with the timing of the camshafts. I see that there is these 2 dots on the back of both of these cams. But I am wondering how to time them correctly? I recently read on another forum that it has to be at a 45 degree angle and on one of my manuals it says I need a special tool because they need to be facing upwards.. someone help, I would really appreciate it. Also if you need me to take photo's I can upload them and show you what I mean.. but anyways thanks

you need the timing tool as the cams are machined to spec. these are not easily timed without the tool, and the tool saves a lot of time.



df

Yeah thanks for the info, really appreciate it! But as I was torquing down the bearings to the camshaft A3 bearing that holds the camshaft snapped, what i mean is that the the screw where the nut is suppose to go just snapped! I was really sad and about to cry.. is there anyway I can take out that screw to where the bolt goes to hold down the camshafts..? Or am i going to have to go to the junk yard and find a new/used head, let me know! thanks

how in the world did you manage to do *that*??


are you using a torque wrench??



df

Yes I was using a torque wrench, I set it to 9ft/lb and as i was waiting for the click to tell me its torqued, it just suddenly snapped

Dude I'm sorry to hear that.

This is the place most people start for headgasket replacement and everything that goes along with it (including camshaft removal and replacement).
http://www.pelicanparts.com/bmw/tech...ead-Gasket.htm

I hope you can use an drill extractor to get the snapped bolt out of the hole. Otherwise you're looking at a new head

7 - 9 lbs is hand tight. Don't use a torque wrench, especially when doing valve cover gasket replacements.