Got a diesel BMW with leaking injectors? This sealing kit contains the copper gaskets and rubber O-rings you need to reseal your fuel injectors. It's crucial for preventing compression leaks and oil seepage around the injector nozzles. Fits many BMW diesel models with Bosch injectors. Part number references include 09864359, 0445115070, 7792721, 7809193, and many more (check the long list in the description). From DTB brand, but includes genuine Bosch-style seals. The kit includes the copper crush washer, O-rings, and sometimes other small seals. If you're removing your injectors for cleaning, replacement, or just to fix leaks, you MUST use new seals. This affordable kit ensures a proper, leak-free seal. Essential for any BMW diesel owner or mechanic.