Not seen this discussed / mentioned here, but just stumbled across this thread which may be of interest to MY10 RRS owners with the 3.0 TDV6 unit...

if you look towards the end of the thread it would seem a TSB is in the makings:

http://disco3.co.uk/forum/topic55820.html

Quote:

Land Rover Engineering are currently
investigating reports of excessive smoke
being emitted from the exhaust system.
Dealer investigation has found excessive
oil ingress in the secondary turbo
compressor and/or turbine
(exhaust) outlets whilst the primary side is
reported as dry.