For some reason there is a belief because E46 is bigger that it weighs about 200 pounds more than E36, therefor drag and track racing people tend to look for a E36 project.
Fact is stock to stock E46 weights about the same as E36.
2001 330ci manual
2000 323i manual, no sunroof
These weighs are about the same as 1998 328i E36 and 1999 328is E36
Road & Track magazine test weights of e36:
August 1992 issue:
May 1996 issue:
Fully loaded 330i automatic:
Fact is stock to stock E46 weights about the same as E36.
2001 330ci manual

2000 323i manual, no sunroof

These weighs are about the same as 1998 328i E36 and 1999 328is E36
Road & Track magazine test weights of e36:
August 1992 issue:

May 1996 issue:

Fully loaded 330i automatic:

