Lewandowski scored two goals, put two of five shots on target, created one chance, and won four duels before coming off in the 75th minute of Saturday's 3-0 win over Eintracht Frankfurt.
Robert Lewandowski eventually broke the deadlock for the home side in the 38th minute with a calm finish from close range.
Lewandowski scored his 33rd goal this season - his 21st in the league - when he slotted home from a tight angle after the break.
Bayern have now hit 28 goals in their last six games with Lewandowski claiming 10 of them as coach Carlo Ancelotti stays on course to steer Bayern to a fifth straight German league title in his first season.
He now has 100 in 137 outings for Bayern although he remains someway short of club icon Gerd Muller - the Bavarians' all-time top scorer with an astonishing 525 across all competitions.
Jerome Boateng returned as a second-half substitute after 108 days out injured and told Sky Sports Germany: "It was an unbelievable feeling".
In the other match, third-placed Dortmund lost 1-2 to Hertha Berlin as Pierre-Emerick Aubameyang's equaliser was not enough to secure points in the German capital.
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The test site is close to where North Korea launched four extended-range Scud missiles into the Sea of Japan earlier this month. South Korea's military declined to comment.
Muller thought he had added to his solitary Bundesliga goal this season but Makoto Hasebe made a sliding goal-line clearance, the Frankfurt defender thumping his knee on the base of the post for his troubles.
But dead-ball specialist Marvin Plattenhardt smashed home a free kick for Hertha's victor on 71 minutes to give Berlin only their third win in seven games Bottom side Darmstadt are 11 points from safety despite their 2-1 home win with 10 men against Mainz thanks to first-half goals from Germany global Sidney Sam and captain Aytac Sulu.
Captain Vedad Ibisevic crossed for Salomon Kalou to score early, and Dortmund was grateful to Raphael Guerreiro for clearing off the line from Kalou afterward as the home side maintained its good start.
"We were better after the break and got our control back". Darmstadt played the last 30 minutes a man down after Mario Vrancic's dismissal for a second booking.
Hertha Berlin remained unfazed and had an ace in the hole as Marvin Plattenhardt unleashed a free kick into the top right corner to make the game safe in the 71st minute.
Hoffenheim missed the chance to leapfrog into third after a 1-1 draw at Freiburg and remained fourth on 42.
Ingolstadt was hosting Cologne for the late game.