What is the reason for the sudden disappearance of BMW's head-up display?
3 Answers
The reasons for the sudden disappearance of BMW's head-up display are: 1. This function is not turned on; 2. Poor line contact. The solutions are: 1. There is an HUD switch under the headlights, turn on this switch to display; 2. Go to the repair station to check the lines. Taking the BMW X5 new energy 2021 xDrive45e M Sport package as an example, its length, width, and height are 4930mm, 2004mm, and 1776mm respectively, and the maximum horsepower is 286ps. In terms of power, it is equipped with a 2.0t turbocharged engine, with a maximum power of 210kw and a maximum torque of 450nm, matched with an 8-speed manual and automatic transmission.
I remember when I was driving my BMW, the HUD suddenly stopped displaying. Several times it was due to settings issues—like accidentally turning off the switch while adjusting the AC, or the system freezing and needing a reboot. Last time on the highway, after the HUD disappeared, I pulled over, pressed the volume button on the steering wheel to restart the infotainment system, and it came back. If this keeps happening, it could be a hardware issue, like a loose connection in the projection module. BMW designs are quite precise, and rough roads can cause vibrations leading to malfunctions. Safety first—the HUD displays speed limits and navigation prompts, and without it, you have to frequently check the dashboard, increasing the risk of distraction. So, I recommend trying software solutions first: check the settings menu to confirm it's on; if that doesn’t work, try a full vehicle power cycle; if it still doesn’t resolve, take it to a professional shop to inspect the wiring and module.
HUD suddenly disappeared? The reasons are mostly software bugs or hardware damage. BMW's system connects the instrument panel and the windshield projector via a data cable. If the software crashes, restarting the vehicle can fix it; but prolonged failure may indicate internal wiring aging, breakage, or a faulty projector. The check method is simple: find the HUD option in the car's settings and ensure the switch is on; if the screen freezes, press the reset button to restart. In terms of safety, it provides critical information such as speed warnings. Losing it increases the risk of accidents, so it's best to avoid long-distance driving and promptly check if the power supply voltage is stable to prevent accidents.
