8259ver01 User Manual Fix - Bmw

Sometimes the error is not with the head unit, but with the vehicle's own systems which need recalibration after a battery disconnect or module change: User Manual - Audiovolt

For more specific hardware guides, you can refer to the BMW CarPlay Installation Guide on Scribd . bmw 8259ver01 user manual fix

Navigate to the original iDrive menu -> Entertainment -> Select AUX Volume . If the factory side is not toggled to AUX, the Android system cannot feed audio through the car speakers. 3. Reversed or Non-Responsive Touch Screen Calibration Sometimes the error is not with the head