just like to see if anybody can give me any opinion or have a same issues like me with my new 2018 rs5 . when I cold start the car its making some very weird air pumping sound with pauses and as soon as its go hot to the working temperature it's all good.I took to Audi service they've checked twice and the car doesn't give any fault codes and they saying its normal .I attaching the link from the video I took today.