Right My s3 is long due a service. I Will be changing all filters and plugs and oils. Has some body got a list on what parts are best . Im thinking of changing Spark plugs oil filter air filter plugs fuel filter haldex filter pollen filter engine oil rear diff oil gearbox oil haldex oil If i have missed any out please do let me know. Also Spark plugs what ones are best ? same with air filter? do i replace with a flat panel type. also has anyone got the spec for all the oils ?