The first is what I just ordered for our N63.

The "forever" oil is that you send back your used oil and get full credit to pay for the replacement. The credit is based on current prices not the original.

So you get new oil for the cost of shipping.

Does it make any sense at all?

Nope.

I think they call it a "loss leader".

They lose money with every transaction. How do they make a profit?

Volume.

(Stolen line from SNL all change bank with Phil Hartman I believe).

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)