OK gang, just received my new plugs from Audi. Check this out. The NGK's (BU6-SFSZ) have been superceeded by Bosch 4 Electrode HGR-7-KQC. New Audi P/N 101-000-052AA. I'll let you know how they work. This is the new A8 Plug and supposedly the hot tip for all V8's Great Q Club Christmas party! Great turn out. Yummy food. Lot's of TQ Coupes. Merry Christmas Paul Rivera 90 V8 A4 1.8TQ on order