Dunne finished 1.6 seconds behind the pace finishing 17th.
Clonbullogue's Alex Dunne has finished 17th in his first F3 practice session at the World Championship season opener in Bahrain.
The MP Motorsport driver was 1.6 seconds behind the pace setting time of championship favourite Luke Browning who set a time of 1.47.828.
Qualifying is set to take place at the track at 1pm Irish time.
The first F1 practice session of the seasons starts at 11am.
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