This is a BMW upgrading system that comes with a GPS navigation system, a rearview system, etc. Users just need to directly plug this system on the original car without additional wires. When detecting any false part, this system will automatically bypass this part.

• GPS navigation upgrading.
• OEM style operation.
• Compatible with all GPS navigation maps.
• Rearview upgrading.
• Show rearview image on car monitor.
• Auto work when reverse start.