Could Bavaria retain Salzburg and Tyrol after the Napoleonic Wars?

As the title says. During the Napoleonic Wars, Bavaria occupied Tyrol and Salzburg, but during the Congress of Vienna (IIRC), they ceded these territories to Austria. Is there any way Bavaria could retain them after 1815? If so, how? What would its consequences be?
 
Napoleon somehow beats the Sixth Coalition. Otherwise Bavaria simply isn't going to keep the only place more Austrian than Vienna.
 
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