Haaland fired home a second-half penalty after City had been pegged back following Manuel Akanji‘s opener.
He then completed the scoring on the night with a right-footed curling strike that saw City extend our perfect record in Group G to three wins from three.
Having scored an incredible 52 goals on the way to an historic Treble during his first season in Manchester, Guardiola says Haaland was not concerned that he hadn’t found the net in this season’s Champions League before tonight.
“He has the pressure from what happened last season. Not just last season,” he said.
“He has to score seven goals every single game and it is impossible.
“He is happy. He scored a lot of goals. People want him to fail after scoring 52 goals.
“Maybe in the right moment of the season he will be there even better than now. In the Champions League again he is there.
“We are really pleased he is a guy with hunger. He is so humble. He is an incredible professional. He is a great competitor.
“He is involved in the games and participates more in our process. I don’t want him to just to be there in the box and score goals.
“If he is there involved when we arrive in the box he will be more clever. I have no doubts and he has a desire to improve.”
Guardiola was delighted with the performance of his entire team, having had 26 shots and enjoyed more than 68% of the ball.
Witness the return fixture at the Etihad Stadium
The Catalan was particularly proud of the way his side navigated the Wankdorf Stadium’s artificial surface.
“The result is good. Nine out of nine,” said the boss.
“Our positional game was exceptional. We talk about short passes on artificial pitches and long passes is more difficult to control it.
“We had chances but in general it was a really really good game. Very pleased for the performance. We could have scored more goals but it’s important to create the chances.”