I had my fan come off the car and attack my radiator as i started my car after work tonight.
Came off complete with the viscous coupling.

My question is what holds that on the car? I want to know what broke to send the fan through the radiator. A diagram would work wonders here.

Secondly, a blade broke off the fan and punctured the radiator. I know i'm going to have to replace the radiator. Do I also need to replace the fan. One blade is broken off, so i'm thinking primarily of balance issues here.

Edit. 94 E320

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bmw 2002.
long live the legend