I have experienced "warranties" and came away with a bad taste in my mouth. They all seem to use a different parts price list completely different than the real world. They get away with it because it costs too much to file suit against them.
Reliable did not hurt you too badly for the parts and the labor is what you expect from a dealer. Five hours is the wonderful "book time" that they all use to make money.

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2021 X5 xDrive40i
2015 X5 xDrive35i MSport
(Traded) 2013 X5 xDrive35i