The number you have is for a standard M50b25 cam.
The stamped part no. from the cast doesn't always match the ETK no.
However, BMW also used that same cast no. for the camshaft on US-spec S50 '95 M3.
The only way to determine this for sure is to measure the cam lobes - they will be different - 325 lift is 9.7mm intake 9mm exhaust, M3 is 10.3 and 9.7.
I believe the 325 intake cam can also be swapped to the exhaust but pls check to be sure.
Hope this helps
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