I have not driven an M3 (e46) that was not notchy. I dont think it is a problem. Mine does it too.
1998 BMW E36 M3 - Dakar / Black
2005 BMW E46 M3 - Silver Grey / Black
2011 BMW E90 M3 - Interlagos / Black
1996 Supra Turbo - White / Black
2016 RCF - Starfire Pearl / Black