Hi guys recently my copen seems to have lost power. Sometimes when idle the engine will jerk. During acceleration the sound of the turbo doesn't sound right and the car will jerk. I have found the solution by changing all four ignition coil. The ignition coil for copen is rare but I manage to find it at about S$60 per piece. I am from Singapore and if anyone would like my help in getting the ignition coil please email to me. Mark Chen (markchen@cntpl.com.sg)