As a side note, in the gasser world bosch oil filters are known to cause the oil light to go on. I personally had this happen. They are in the same quality department as FRAM filters nowadays.
...BTW your Bieber avatar is awesome.-Malone
It sounds like maybe your revved it out of gear. If that's the case, you should test it driving under load with the two significant differences being where the oil sloshes in the pan and the turbo spinning a lot faster.
It's "plausible" to run out 2nd gear on public roads, but I'd also have to file it under "likely to result in a conversation with John Law". I'll have to work up some courage for that one.Steve.