There was plenty of smoke, but Bayern Munich needed time to show some fire.

In a game held up for 10 minutes because flare smoke covered the field, 17-year-old Lennart Karl's fourth Bundesliga goal of a breakout season helped Bayern to a 3-1 win at Cologne in the Bundesliga on Wednesday.

With 17 games of 34 played, that meant Bayern matched the previous Bundesliga points record of 47 at the halfway stage set by Pep Guardiola's Bayern of 2013-14 and surpassed it on goal difference, +53 to +35.

Still, it wasn't the sort of spectacular dominance seen Sunday in Bayern's 8-1 win over Wolfsburg.

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Cologne fans' vast pyrotechnic display before kickoff produced thick smoke which drifted over the field before the referee stopped the game in the fourth minute, leaving the players to kick the ball around while it cleared.

Cologne were fired up, too. Only quick reactions from Manuel Neuer stopped 19-year-old Said El Mala giving Cologne the lead on a quick break in the second minute.

Linton Maina put Cologne ahead in the 41st, snatching the ball off Serge Gnabry deep inside his own half and surging down the field to score a spectacular solo goal as Bayern's defense was slow to react.

Gnabry hit back a few minutes later with a different kind of special goal, a trick shot from a narrow angle which bounced off the ground and over the goalkeeper.

After Bayern struggled to break down the Cologne defence, an intricate short corner routine did the trick, allowing Kim Min-Jae to head his team ahead in the 71st. It was the South Korean defender's first Bayern goal in almost a year, snapping a 32-game scoreless streak.

Karl's clinical first-time finish made it 3-1 in the 84th off a pass from Luis Díaz as Bayern maintained an 11-point lead at the summit.

Information from The Associated Press was used in this report.