Hello guys I have a s3 8l with the bam engine when coasting down a slight hill or steep hill in gear for a few seconds if you drop it down a gear and accelerate or drop the clutch and rev the engine I get blue smoke from the exhaust I've had the turbo reconditioned and new pvc velve and some new pvc pipes changed the oil and it still smokes it doesn't do it any other time what is this hope you can help cos its driving me CRAZY
