Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
62 30... General notes on the Head-Up Display
2018 BMW 640i xDriveSECTION 62 30... General notes on the Head-Up Display
NOTE:
A special windscreen must be fitted to ensure that the Head-Up Display image can be projected correctly.
This windscreen comprises three sections. An outer and an inner glass pane are connected by a wedge-shaped plastic film.
The wedge shape prevents double projection of the Head-Up Display.
When the windscreen is replaced, the vehicle identification number and parts catalogue must be consulted to ascertain whether the windscreen in question is suitable for Head-Up Display.
This windscreen comprises three sections. An outer and an inner glass pane are connected by a wedge-shaped plastic film.
The wedge shape prevents double projection of the Head-Up Display.
When the windscreen is replaced, the vehicle identification number and parts catalogue must be consulted to ascertain whether the windscreen in question is suitable for Head-Up Display.
Example of the display with a conventional windscreen:
With a conventional windscreen, the projected image is reflected on the inner and outer glass pane, producing a double image.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.