TurboMazdaSpeed

well, long story short , made a stupid mistake of blocking the vent to the crank case, then when i installed my front mount my friend grinded off the last vent on the oil filler neck when shortening it.. so 2 turbos later i figure out the problem, installed a near brand new S5 turbocharger today in hopes that it will work fine, it does but after the car is warm its still burning oil.. not massivly like before but noticeable, blue smoke, especially inbetween 3,000 rpm and 4,500 , i havnt reved it much higher then that.. its rather my engines oil seals which im leaning towards (odo just rolled to 145,000km) but sombody told me it could be malfunctioning OMP, which i doubt because its never messed up before, but how can i tell if its the omp? i tryed searching and couldnt find exactly what i was looking for.. any input is appreciated thx