Close
Q:

how to repair loss of sound in the car on 2007 BMW 525i

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
loss of sound in the car
(1) Answer
Presumably you mean the stereo and not the road noise. ;)

Fundamentally its gotta either be the wiring or the stereo itself. Does the stereo still come on and respond to the touch controls?