Battery Safety Terminal exploded & disconnect the starter cable - BMW 3-Series (E90 E92) Forum
Battery Guide: Popular Bmw battery safety terminal repair kit
Yetaha Car Battery Cable Plus Pole Safety Battery Terminal 61129259425 For BMW 320i 328d 328i 330i xDrive Sedan 340i 428i 435i|Cables, Adapters & Sockets| - AliExpress