Sorry, im not going to be a help. When Ive done this before, you are always fitting, testing, checking. Now you are past that point so you kind of only rely on the aftermarket vendor...and the fact that someone was hacking yours up previously is troubing.


Youve looked at the OE parts list, yes:


https://www.realoem.com/bmw/enUS/sho...diagId=31_0791


(just guessed about year and model for you)


Also, you dont want mis-matched springs or dampers, left and right. Always replace in pairs....