first of all thank you for your welcome to the club, it's nice to be welcomed I have not long come from the Rover 75 MGZT club had the 75 for 8 years, as I am getting on in years thought it's now or never so here we are with what I have always wanted low mileage AUDI A4. 2.7 TDI have bought a tuning box so can't wait for that to go on plug and play I believe , but have mechanic grandsons so no problem,my age is this will surprise you I am 78 years young once a petrol head always a petrol head,well reading the link you kindly gave not much differ.rence so will go with osram night breakers plus as I had them in the 75 and was vast improvement.---GRANDY