Finally got my s50 to my house, its about to go on the stand and start getting regasketed and such. I got an m50 oil pan from an e34 and something missing from the bottom of it, could someone be so kind and tell me what is missing:

If you look at the bottom of the pan...there is three studs that something is suppoused to get bolted to, what is it?

If you look at the bottom of the pan...there is three studs that something is suppoused to get bolted to, what is it?
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