Here you go: BackTrack 4 R1 (download torrent) - TPB

I hope that taking the link down means that the developers have had enough feedback and a stable release is on the way...

A follow-up to my previous post (sry about double-posting :rolleyes:):

The situation remained unchanged even after I ran install_bcm43xx_firmware.sh.

However on my Ubuntu installation I applied...

Tested on Dell Studio 1555 with Broadcom Corporation BCM4312 802.11b/g [14e4:4315] (rev 01)

See follow-up for a workaround.

Results: Works only after soft reboot from Windows (7 x64)

Here...