OK, here goes. These numbers are from my car and not a manual. The drivers side mirror has the leading screw 17.5" from the front edge of the door in a straight, level line. The passenger side leading screw is 16.0" from the front edge of it's door. All screws on both sides appear to be about 1.25 " below the first 'body break' line which is about one inch outboard of the window channel. Hope this helps. If you are drilling new holes use some good painters masking tape over the paint. Measure about 16 times and only drill once. . Deep breathing helps also!