I have 40,000 service but not 60,000 spark plug service, so I was thinking it would be better to be save than sorry. Anyone recommend any spark plugs, what about these: http://www.ebay.co.uk/itm/4X-DOUBLE-IRIDIUM-SPARK-PLUGS-FOR-TOYOTA-AVENSIS-1-8-2003-2008-/182540317645?epid=0&hash=item2a804033cd:i:182540317645   I believe it is the right engine code::::      Set of 4 PureSpark (Twin Iridium) Spark Plugs Model: TOY