It's better to use
https://bimmercat.com (the former etk.cc). It has a slightly newer version of the catalog and can easily do things like show everything changed by the Motorsport Engineering Package (option 33T):
https://bimmercat.com/bmw/EN/search/...ce/60522/S33TA
Though the steering rack part is still not there (and not in the April catalog either).