Originally Posted by Christian and Beccy
I would definately NOT rely on compensation maps, it's a very bad habit and only takes for your lambda sensor to have a 'moment' and you're looking at a meltdown. Remember that you now have 1.4 bar of boost somewhere in the map where it didn't have 1.4 bar before, so that part of the map may have not even been looked at.

Compensation map seems to be eeerrrrrrmmm fookin spot on.
just did another spark plug check and they look so perfect,
so much better than in the pic, these have a few thousand
miles on too
.