The Polish striker had 3 desires to his call by way of the twenty third minute - the earliest anyone has ever completed a hat-trick in a Champions League game - as Bayern shook off their early nerves to overwhelm Salzburg.
The Austrian champions had held Bayern to a 1-1 draw within the first leg, however their hopes of an upset in Munich had been left in tatters when Lewandowski scored a tap-in and consequences to ship Bayern on their manner to a well-known victory.
With just ten mins and 27 seconds among Lewandowski's first and 0.33 goals, it changed into the fastest of the six hat-hints the Pole has now scored in the Champions League.
Bayern started out with an attack-heavy 3-5-2, but they seemed nervy at the again and there had been chances at both ends in the establishing minutes.
Lewandowski compelled a sharp store from Philipp Koehn with the first attack of the game, at the same time as Nicolas Capaldo became denied at the other stop by means of a amazing block from Kingsley Coman.
Lewandowski gratefully tucked away a penalty to offer Bayern the lead on 12 minutes after he become brought down by Maximilian Woeber in the box.
Initially, the lead failed to seem to calm Bayern's nerves, and Salzburg nearly equalised as Nicolas Seiwald fizzed a fierce shot over the bar at the other give up.
But Lewandowski was in a predatory temper, and he quickly introduced greater to complete his hat-trick and positioned the tie past the Austrian side.
Having smashed a second penalty into the bottom nook to double the lead, he brought a third at the counter-attack, chasing a free ball over the line after a one-on-one with Koehn.
