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Kernel update 4.13.5-200 killed my Broadcom wifi

i've proceeded the updates from kernel 4.13.4-200.fc26.x86_64 to 4.13.5-200.fc26.x86_64 and since then my Broadcom wifi card (BCM4331) doesn't work anymore, the WiFi card is even unvisible in the network settings :-o

I already downloaded the Broadcom_wl driver from rpmfusion and did a

sudo dnf reinstall broadcom-wl

but with no result. In the startscreen i can choose the old kernel and there wifi works fine.

It seems to be a problem with the BCM4331 only, because on my iMac i use the same Broadcom_wl driver but with another Broadcom wifi card (BCM4321) and there everything workes fine