Why are brakes still squeaking after being replaced? on 2003 BMW 325i

I had brakes replaced at meineke roughly 1,000 miles ago (all 4 pads and rotors). The brakes will squeak the moment they are pressed then stop and continue when speed drops to 5 mph through a complete stop. Sometimes, mainly when it is cold I also can hear grinding just before the car comes to rest.

Asked by for the 2003 BMW 325i
Inferior parts. I don't think meineke would've gotten BMW parts , did they?
1 more answer
take it back to whoever did the brakes