Seems like a great deal for people with older Euro cars that are out of warranty and eat a bunch of oil... vs buying Mobil 0w-40 or Castrol 5w-40 a quart at a time at the auto parts store for $10/qt like so many people do with BMW/Audi/MB/etc. around here. Even "on sale" those oils are about $28 for five quart jugs. Sure they have manufacturer approvals but once the vehicle is out of warranty it doesn't matter.
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