Originally Posted by vollpreuss

I'm not sure if you are able determine if oil is being consumed but one thought - A large load of oil from the first turbo failure still in the exhaust?

If one does a general internet search regarding cleaning the exhaust after a turbo failure there are all sorts of stories out there.

My SDL only had moderately leaking turbo seals. After a reseal it took a bit time and some really hard highway driving for the nasty oily smell and moderate smoke to be reduced.