fiddler69

i have a uk turbo2000 and i have a problem can u help if i leave the car on idle for about ten mins it starts to smoke quite bad manly blue smoke. when u rev it the smoke seems to stop and disapear this does not happen all the time. had the car remapped but this did nothing .the car has done 52000 miles and has got full service history.i would be very greatfull if someone could give me some advice asap many thanks fiddler69