With a global presence and a significant share in the world passenger vehicle market, it is not surprising that the Volkswagen group is considered one of the most important OEMs when it comes to engine lubricant approvals. But it is not just the number of vehicles that make Volkswagen so prominent in this field: for many years Volkswagen approvals have been recognised as some of the most demanding in the lubricant industry.
In 2004 Volkswagen introduced the VW 504.00/507.00 specification. Covering both gasoline- and diesel-powered vehicles, the specification has seen a number of ever more challenging technical requirements since its creation, making formal approval significantly more demanding than it initially was.
To become approved to VW 504.00/507.00 requires stringent and extensive testing, costing millions of Euros. The first stage is to meet the demanding ACEA C3 specification. This involves a lubricant being assessed in 8 fired engine tests and a number of laboratory bench tests to evaluate its ability in areas such as sludge protection, piston cleanliness, wear protection and biodiesel compatibility. Having gained ACEA C3 approval, the next stage to achieve VW 504.00/507.00, the lubricant must pass a further eight fired engine tests named PV tests, these evaluate additional requirements, including Fuel Economy and aftertreatment device compatibility.
Only when the lubricant has passed all the 16 fired engine tests will Volkswagen test the lubricant under their in-house Baumusterprüfung testing regime. This involves testing the lubricant in a minimum of 16 Volkswagen engines, to ensure maximum protection for engines and aftertreatment devices. By the time the oil is approved it can have been subject to over 30 engine tests.
When choosing an oil, it is vitally important not to simply select one that is labelled ‘suitable for use’. Ensure you choose an oil that is fully approved to VW 504.00/507.00.
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