QPR and Norwich finished scoreless at Loftus Road in the first Premier League game of the day.
Adel Taarabt missed a penalty for QPR while Anthony Pilkington limped off for Norwich with a thigh injury which makes him a doubt for his Ireland debut against Poland on Wednesday.
Bunn had conceded the penalty when he was ajudged to have brought down QPR striker Jamie Mackie. But the keeper went from villain to hero made a great save to deny Taarabt.
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The game also saw a home debut for new QPR defender Christopher Samba who joined the club on transfer deadline day.