It's a banjo bolt pn N 021 090 2, the torque to tighten it is 50 Nm (~36
ft.lbs.), but I don't know the thread size.  It takes a sealing washer
on either side of the oil drain line fitting size 18x22x1.5 mm, but that
doesn't help your problem either.
-Dana-

Bryan Belman wrote:

> Can anyone provide info on the specs of the hole that would have to be
> drilled into the block and tap tread sizes.
>