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Message: <blockquote data-quote="absidian" data-source="post: 220311" data-attributes="member: 4356">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 <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />---</blockquote>