Fire and Rescue NSW say Bulli, Corrimal, Bellambi has had an increase in car fires

Fire and Rescue NSW Inspector Chad Wallace, Duty Commander Illawarra, said three of those were from the area between Bulli and Bellambi and urged anyone with information to contact local police or Crime Stoppers.

"If it's a suspicious car fire there's a high percentage it has been stolen, and people using as a means to go home," Inspector Wallace told the Mercury.

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"All the ones in that Bulli area are in the early hours, between 3am and 5am."

On Sunday, the carcass of a burnt-out ute remained in the middle of an oval on Park Road at Bulli, after being set alight around 5.20am on Thursday.

Crews from Bulli were dispatched to the scene and by the time they arrived at 5.25am a dozen calls had been made to Triple Zero, with reports the grass around the vehicle was also alight, there were "explosions" and the blaze was growing ferociously.

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Inspector Wallace said the fire was extinguished within 20 minutes before turning into a crime scene.

"Because of the location and how quickly that car was fully engulfed in flames firefighters confirmed it was suspicious and handed it to police who commenced and investigation," he said.

That same night another car was set alight in Bellambi.

Inspector Wallace said Wollongong City Council had been notified of the burnt out vehicle in Bulli, who would be responsible for its removal.

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