11218639541 B48B20 Crankshaft Rau Bmw Cav

B48B20 nws yog V4 crankshaft, Nws qhov zoo yog tias qhov zoo yog nyob ntawm forging, tus nqi yog qhov zoo, thiab qhov hardness siab heev. Qhov no yog qhov zoo dua los ntawm cov khoom siv tshiab, thiab nws yog qhov pib tshiab, haum rau kev sib tw crankshafts.