LIQUI MOLY describes the Top Tec 4200 5W-30 as a high-tech, low-friction motor oil based on fully synthetic technology. The 20 L pail is a bulk option for buyers who run a lot of oil, such as shops or multi-car households. The manufacturer says it offers strong wear protection, helps reduce oil consumption, and circulates quickly through the engine. Those claims justify the premium over conventional 5W-30 and many budget synthetics. Per the manufacturer's specifications, oil change intervals of up to 30,000/50,000 km (or every 2 years for low-mileage drivers) are possible. It is also tested for use with turbochargers and catalytic converters.
This 5W-30 is a strong match for owners searching for VW 504.00/507.00 approved oil, BMW LL-04 synthetic 5W-30, MB 229.51 engine oil, or Porsche C30 oil. Its listed approvals include ACEA C3, BMW Longlife-04, MB-Approval 229.31/229.51/229.52, Opel OV 040 1547 (G30/D30), Porsche C30, and VW 504 00/507 00. The manufacturer also positions it as best suited to gas-fuelled (CNG/LPG) passenger cars. For DIY work, match the approval codes in your owner's manual before draining and refilling, since the correct spec matters more than the brand name when stretching intervals.
The manufacturer lists approvals including VW 504 00/507 00, BMW Longlife-04, MB 229.31/229.51/229.52, Porsche C30, and Opel OV 040 1547. Confirm that your vehicle's required specification appears in your owner's manual before purchasing.
Per the manufacturer, intervals of up to 30,000/50,000 km or every 2 years for low-mileage drivers are possible, depending on the vehicle manufacturer's specifications.
The manufacturer states the oil has been tested for use with turbochargers and catalytic converters.
Details vary across the manufacturer's documentation, with different API ratings listed in different places. Confirm the current API rating with the manufacturer before purchase.
This is a standard drain-and-refill oil change, so no special installation is required. Before draining, check the approval codes in your owner's manual against the list above, and follow the service interval the vehicle manufacturer specifies. The manufacturer also directs users to observe the vehicle manufacturer's instructions for extended intervals.