right, just an update,
Ive now checked the Pipes, Idle Control valve, they are both ok, i disconnected it, the same prob persisted when i started it revs die instantly.
who thinks this could be a Fuel Pump Problem? its just this car drives spot on going down the A3 , ive done 500 miles now with the car like this, nothing wrong with the cars top end speed or acceleration.
just pops and bangs out the exhaust a bit more than normal.
thanks for the help guys