Pentosin FFL-3 is the only approved First Fill and Service Fill transmission fluid for the new generation of Porsche double clutch gear transmissions (PDK). Pentosin FFL-3 is founded on a fully synthetic base oil technology for safe operation at even the highest thermal Load. FFL-3 features a special clutch friction performance which makes it mandatory to be applied solely to the double clutch gear box - do not mix with any other gear oils.
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How and Why to Change Your Transmission Fluid & Filter