those part number not matching for me
http://www.realoem.com/bmw/showparts.do?model=1232&mospid=47263&btnr=41_0314&hg=41&fg=25
7/6
As for the year its the year its first registered in so unless im mistaken and you use all new parts the year that you register it is the is its year of manufacture.
but it could be classed as a kit car possibly