My k-series euro users manual doesnt even allow anything over 40. I'm sticking with 30 or 40 full synthetic.
2003 CL9 5AT *ECU REFLASHED* CT-E Icebox|Ralco RZ pulleys|K&N filter|DC Header|250cell Cat|Cusco Tower & H Brace| H.Drive Coilovers | Rays RE30 18x8.5 | S/S Brakelines | Rigid Collars
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