Heynckes, now Bayern coach, wasn't in the stadium to see it as he skipped the game due to flu.
Despite Lewandowski's feat, Bayern captain Thomas Mueller scored the goal of the day in Germany to seal the win which restored Munich's 18-point lead as Schalke drop to sixth.
The second half started as the first ended, but Christian Pulisic fired a ball across goal and Batshuayi slid in to score his third in two games since moving on loan from Chelsea. We're glad we won.
- Mario Gotze scored on an assist by Andre Schurrle - the last time in all competitions that these two players combined in this way was the winning goal in the FIFA World Cup Final 2014 (1-0 AET against Argentina).
Batshuayi made the breakthrough with Dortmund's first shot on target and he celebrated his first home goal for the club with a somersault celebration that echoed one of the departed Aubameyang's favoured ways of marking a goal.
Schalke refused to buckle, however, and was rewarded for its intensity when Franco di Santo equalized before the half-hour mark.
Naked Plane Passenger Forces Flight to Turn Back
At this point, the pilot chose to turn back to Anchorage where airport police came onboard to remove the passenger. The news agency said 178 passengers were on the original flight and finally took off for Seattle after 6:30 a.m.
Dortmund's injury-prone Germany winger Marco Reus returned after 259 days sidelined by a torn knee ligament.
Ante Rebic gave Frankfurt an early lead, but Cologne striker Simon Terrode equalised with a second-half penalty.
Eintracht Frankfurt stormed up to fourth with a 4-2 thrashing of bottom side Cologne.
Dortmund leapt up to third after Bayer Leverkusen surprisingly lost 2-0 at home to Hertha Berlin to slip to fifth.
Belgium worldwide Batshuayi hit a debut double in the 3-2 victory against Cologne last week and he made it three goals in two appearances with a poacher's finish less than four minutes into the second half.
Freiburg lost for the first time in nine league games, crashing to a 2-1 defeat at Hanover 96, whose midfielder Felix Klaus scored the victor.