My car is booked into the tuners on the 7th April to have new turbos fitted and a re-map.
Thing is, I just did a compression test.
Here are the results(taken from cold):
Cyl 1 - 167 psi (11.5 bar)
Cyl 2 - 80 psi (5.5 bar); i dropped a little oil in the chamber and managed 8 bar (116 psi)