Oils meeting the Audi (VW) 505.01 specification.
Especially designed for "Pumpe-Düse" (unit injector or "PD" engines) running on fixed service intervals (15,000km / 12 months).
It is vitally important to use an oil meeting either this, the
Audi (VW) 506.01 specification or the
Audi (VW) 507.00 specification to avoid damaging the diesel pump in PD...