Mike, Has nothing to do with the BOV, it's quite normal for them to run rich with higher than stock boost, get an SAFC. The turbo-timer has to get cut in, it's the only way, but get someone to do it properly:D
Aidwin, You have a date for your return yet? Late Feb? We'll do a few minor things to your car before you return, I changed the rear brake pads already, they we're rooted:(