need help finding pilot bearing size for m50B25 vanos OB1

[325eMattyd]

So i'm converting my 1994 325is automatic car to manual and i ordered a pilot bearing, the bearing is 15 x 32 x 10, the pilot bearing fits on the shaft of the transmission but the outer diameter does not fit in the crankshaft?? is there a smaller pilot bearing i need?
Thanks,
Matt

[agent]

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