No. I just had the 18K service done on my 2007 GT about four weeks ago. There was no mention of sparking plugs (or spark plugs).bob_menton said:I have my 2007 GT into the local dealer for the 18K service. Haven't picked it up yet, but the service manager tells me that they installed a newly-recommended (from BMW) set of sparking plugs. Anyone hear of this before ???