Top Tec™ 6200 SAE 0W-20 Synthetic Motor Oil, 5 Liters (5.28 Quarts) (20238) by Liqui Moly®. Use only in gasoline and diesel engines with a particulate filter that require a lubricant of VW standard 508 00/509 00. Tested for use with turbochargers and catalytic converters. Not backwards compatible.