Bayern Munich are already gearing up for a monumental Champions League semi-final second leg against holders PSG after losing Tuesday’s first leg 5-4 in an epic match that set a new record for goals in a last-four encounter.

The German giants took an early lead, but found themselves battling back from a 5-2 deficit in France, before ultimately narrowing the gap with two crucial second-half goals in a nine-goal spectacle.

Coach Vincent Kompany has issued a rallying cry to the Bayern faithful ahead of the decisive home fixture.

"More. Even more," Kompany replied when asked what fans could expect in next week’s return leg.

PSG edged a nine-goal thriller on Tuesday (Getty)

"We are at home, we will have 75,000 people in that stadium. We don't want just noise. We need a mass (of sound) in the stadium.…