Cash was stolen from two taxis in Blandford - with police reminding drivers to keep their vehicles secure.
The first incident took place along Kingston Close between 5.45pm and 6.55pm on Saturday December 29 - before a similar theft at 8pm on Thursday January 3.
Blandford Neighbourhood Inspector Shawn Whitley said: "With two incidents in quick succession I want to take the opportunity to remind motorists to be vigilant and take precautions to keep their vehicles and possessions safe.
"Don't give thieves the opportunity to steal anything by always removing valuables from your vehicle and keep doors and windows locked.
"If possible, drivers should park their cars in well-lit areas and always use their vehicle alarm if they have one."
Any witnesses or anyone with information should contact Dorset Police on 101.