You can find all the replacement parts you need for your bike at Escapa.
The 2 x Miranda M15 Crank Screws for Bosch (BDU2XX, BDU4XX) are compatible with Bosch Performance CX Gen2 and Gen4
Compatible with Bosch:
Active Line (BDU2XX)
Performance Line (BDU2XX)
Performance Line CX (BDU2XX)
Cargo Line Cruise (BDU450 CX)
Cargo Line Speed (BDU490 P)
Performance Line Cruise (BDU365)
Performance Line Speed (BDU490P)
Performance Line CX (BDU450 CX)