Make an image of any of the 3 original CDs (using any good image making software), use Mini Image Ripper (aka MiR) to make it ~23MB and then mount it using Alcohol's virtual drive.
Voila. No cracked .exe or anything ever needed and the data in your install dir has not been altered in any way.
Works great for me. Been using it with BF1942 and just started using it with BF:V yesterday
MAN OH MAN..how many times have I answered this question?