Two vehicles were broken into at the Rockridge station's south lot between 10 a.m. and 10 p.m., police said.
The suspect smashed the left rear window of a 2016 Toyota Prius and stole a laptop computer. The same suspect also smashed the right rear window of a 2015 Audi A4 and ransacked the interior, police said.
According to police, at 3:33 p.m. at the West Oakland station, a witness saw two suspects smash a rear window of a 2004 BMW 320 that was parked in the lot. They stole an automotive emergency kit that was left on a seat, police said.
The two suspects, who remain at large, were described as black males, 16 or 17 years old and carrying a backpack, police said.
Between 1:15 p.m. and 5 p.m., a victim had parked a 2015 Honda CR-V at the same station. During that time, someone smashed a rear window and stole a black backpack containing clothes, police said.
At the Fruitvale BART station, between 5:15 a.m. and 3 p.m., a suspect entered a locked 1997 Mazda Miata in the surface parking lot next to the bus zone, police said.
The suspect stole tools and the car stereo, police said.