hi Steve just picked car up from Audi went in for a recall for the lambda sensor ( free ) under the warranty even tho that ran out in jan, rang me up to say it was still under a service agreement from previous owner which was due at the end of the month so asked me if i wanted it doing free also , so its had a full service new lambda sensor and cabin filter as they spotted id fitted a K&N even gave me a leather A3 Key ring all gratis ..........nice one Audi Warrington !