I have located a source to get the Bosch 0 280 142 110 Compressor bypass valve in Brisbane. These things are a good substitute for the stock item on a 7mgte and are a good option for a BOV on a 1ggte. Saab runs them at 15psi.
My part cost a fair bit more than that, but I've only ever seen these for over $90 elsewhere. Are u sure it's the same part number cause thats awesome! By the way, where'd u get it, Craig??
Anyway if anyone wanted one u just contact Saab Brisbane and they'll get one in for you.