BOP nether biomes doesn't extend the nether biome, causing BC to generate water springs.
SpwnX opened this issue ยท 2 comments
According to smbarbour, BOP does not extend nether biome, which is why BuildCraft tries (and successfully) generates water springs on those.
IRC log:
SpwnX: lovely spring : http://puu.sh/iq16M/567e9cb272.jpg
smbarbour: It's a BOP issue. BOP's nether biomes don't extend the nether biome