I for one, would like to see 13 cards supported with bminer. I'm currently running the asrock pro h110 btc with a mixture of 1060's and 1070's and it will not run. Just hard closes immediately upon launching. This rig runs 13 cards just fine with efbw, dstm, claymore, phoenixminer and a lot of others, so it must just be a simple fix to enable. My fees await your fix

Thanks for your feedback. Are you running on Windows? If possible, can you provide us more information, e.g. the total memory of your machine and the memory usage of Bminer before the error appears? This will help us further investigate this issue.
I am using windows 10, and have 8 Gb of ram, and 64 gig swapfile (just in case). Windows is updated as of March 1 2018 and so is the nvidia drivers around the same time. There is no memory usage. It launches the miner, and then immediately closes. I've triple checked the bat file and verified it is the same one that I'm using on 3 other rigs with the exception of the rig name. Sorry for the late reply, I've been away.
Batch file is as follows:
@echo OFF
REM Change the following address to your Zcash taddr.
SET ADDRESS=t1X8Ho1ZC7y6jxWb46n8ai9HHxfGedMu4fv
SET USERNAME=%ADDRESS%.1060x13
SET POOL=us1-zcash.flypool.org:3333
SET SCHEME=stratum
START "Bminer: When Crypto-mining Made Fast" bminer.exe -uri %SCHEME%://%USERNAME%@%POOL% -api 127.0.0.1:1880
EDIT: Either version 8 fixes the problem, or I had a space after my zcash address and it was throwing a fit because of that. I re-entered my address by hand instead of copying and it seems to be running.
I had the same problem but with dual ETH and XVG. The way it worked for me was changing the main line below after the Bminer.exe to look like this:
bminer.exe -uri ethash://eth address.worker name@your pool:port -uri 2 blake2s://xvg address.worker name@pool:port