Quote:
Originally Posted by samsamdar
M2guru Do you know what's up with these screws for the oil and coolant inlet/outlet lines? So there are supposed to be 6 of them. And from my understanding, all 6 of them are the same part number 07129904588. But for some reason, I have some screws that are longer than others and I'm not sure why. It looks like the longer ones will fit into the block and screw all the way in but they won't fit into the turbo side screw holes (they are too long to properly hold in the lines). Any idea why this is and which screws are supposed to go where? Also, is that 588 the same part number you used for your screws?
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All six are the same screws/bolts according to realoem. If there is an odd one out (longer), I would use it on the oil return line on the block side or for the coolant lines that hold both coolant lines to the turbo.
A couple things that I can remember: 1) I also think mine were not the same length, but pretty sure they were the same width and thread pitch (I cannot remember which went where, but it looks like it shouldn't matter - even though you are finding out that it might) and 2) when securing them to the block (and maybe the turbo), the flange doesn't fit flush with the block, but it was in as far as it could go. This threw me off for a while until I verified with someone else's photos.
I hope that helps. Wish I could remember more precisely for you.