A:AnswerThe option to select or adjust parking lines, has to be available on the monitor or video head unit. You won't be able to if the monitor or video head unit doesn't allow this option.
A:AnswerThe lines can come from the camera or the head unit but aftermarket will not turn with your wheels. The lines on the camera are fixed and cannot be adjusted just removed by clipping a wire.
A:AnswerRed and black wire in the back hook up to your revese lights. Rca goes to camera input at stereo and the wire with it goes to the reverse wire from stereo.
A:AnswerYou need a special interface to have a camera hooked up to the factory screen. NavTV.com carries a lot of the interfaces. For your vehicle the interface is about $599. Another option would be to replace the mirror with one that has a display in it for the camera. Check what features are currently in your mirror because you may lose them (microphones for hands free phone calls, compass, garage door opener buttons, etc.)
Here's a link to the interface for your car: https://navtv.com/products/NTV-KIT725/bmw09n-dynamic-kit.html
A:AnswerDifferent cars need different modules to interface with. Since you only said BMW I can't give you specifics. The modules run a couple hundred dollars. Check out NavTV.com. You can put your type of vehicle in and then select Backup Camera interfaces to see what's available.
