Hey guys, have searched but can't seem to find anyone with this problem that has an OBD2 manifold. We are running a bone stock M52B28 from MAF to Exhaust manifold as required by rules, just can't seem to get our dipstick to seal up properly. Have tried different ways of securing the top, new o-ring, etc. Running E34 oil pan and dipstick, and on the OBD2 manifold there isn't any place to bolt the upper tube too. We had it in a great spot but after pulling the manifold can't seem to replicate the seal anymore.
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