Hi i already read some write-ups on how to fit the e60 mtech rear. I already purchased all the necessary brackets and tabs. Ive got an 04 e60 and i saw that this rear was labeled as an 08-09 rear. Is there any difference?

2008 2009 BMW E60 MTech Style Rear Bumper for 08 09 5 Series Sedan w PDC | eBay

I already have the 51127896615 left bracket, 51127896616 right, and the 51127897144 center bottom bracket.