I live about 100klms from my nearest VW service, spare parts dealer so when I wanted to change the engine oil, I went to every oil outlet in my town to buy Castrol SLX Professional Powerflow. None was stocked so I bought Castrol Edge at $53 for 5 liters. I was not convinced that this was a substitute so I rang Castrol Hot line and was told that Castrol SLX Professional Powerflow was made in Germany to VW specs and shipped to their dealers wordwide, and it has no substitute. So drove to the dealer for their oil at $72.5 for 5 liters. I wonder if the motor had damage under warranty and you were not using the VW oil what would be the outcome.
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