The much-anticipated clash of Germany’s giants finished goalless in the electric atmosphere of Dortmund’s Signal Iduna Park in front of 81,359 fans.
But although Bayern remain five points clear of Dortmund, Guardiola’s team has taken just a point from their last two games after Wednesday’s shock 2-1 defeat at home Mainz.
Despite the healthy lead, Guardiola clearly sees Dortmund as a threat to his plans.
The 45-year-old wants to sign off his three years with Bayern by seeing the club become the first to win four straight German league titles.
“For us every game is a final now, we want to win (the title). So it goes on,” said Guardiola, whose team won the title two years ago with a record seven games left.
“The second-half was good, we had enough goal chances to win the game, but Dortmund are a strong team.
“They are the second-best team of all-time in Germany.
“In the first 20 minutes, we had a few problems, but we improved.
“Of course we wanted to win, but the 0-0 is okay.”
Guardiola singled out the performance of Joshua Kimmich, 21, who has been converted from a defensive midfielder to a centre-back after a string of injuries.
“I love Joshua Kimmich, he has the will, the passion, he has absolutely everything,” said Guardiola, who will coach Manchester City next season.
“With players like him, you can win everything.”
The result offers Dortmund hope.
“We played very well in the first half and we didn’t lose our shape in defence over the 90 minutes,” said Dortmund coach Thomas Tuchel.
“Bottom line is that it was a goalless draw and I am very happy with the performance the team delivered.”
The game’s best chance came on 64 minutes when Arturo Vidal’s shot was palmed onto the bar by a reflex-save from Dortmund goalkeeper Roman Burki.
“There are mixed feelings, I did a few things well, but you can always improve,” said Burki.
“In spite of the result, I am proud of the team and that we kept Bayern to zero.”
Bayern captain Philipp Lahm said he was pleased to be leaving Dortmund with a point, having said a week ago that he hoped to depart the Ruhr with an 11-point lead.
“It could have been 2-2 at end of the first half. I think we had the better of the chances overall, but the draw is fair,” said Lahm.
“We are five points clear with nine games left, so there is still a long way to go and everything is in our hands.”
Bayern striker Thomas Muller echoed Guardiola’s sentiments that each league game is now a ‘mini’ final for the Bavarian side.
“It remains exciting and we’re under pressure now for every Bundesliga game, which is how we must go into each league match,” said Muller.
“The rest of our Bundesliga matches will be like mini finals now.”
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