Quote:
Originally Posted by robbief00
In my case, replacing the battery fixed all my HUD issues.
It was starting to not come on randomly or would glitch and be too high or low. As mentioned above, I think the bad battery can cause the stepper motor from calibrating properly at start up.
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Interesting. In my case my vehicle is 4 years old (bought new) and the HUD would not come on sometimes (very rarely) over the entire first 4 years of the vehicle, starting within a month of two of purchase. It didn't happen more or less at the start or near the end of the 4 years I've owned it. A bad (or low) battery may exacerbate the issue, but my HUD non-starts were rare and spaced out.
I had mine (finally) replaced today under warranty. Took the dealership all day and the fit and finish looks identical to before (which is nice to see) and everything seems to be working just like before. (Again the issue was a very rare stepper motor error according to the vehicle error logs). Wasn't able to keep the old HUD as it needs to go back to BMW as part of warranty.
For anyone who's curious my service sheet was written up as :
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COMPLAINT:
- HEADS UP DISPLAY TO BE REPLACED AS PER PREVIOUS DIAG
CORRECTION:
- REMOVED CENTER CONSOLE, REMOVED DASH AND ALL TRIM.
- REMOVED AND REPLACED HEADS UP DISPLAY.
- RE INSTALLED DASH, TRIM AND CENTER CONTROLE
- 2. PROGRAMMED AND ENCODED VEHICLE
- TESTED HEADS UP DISPLAY, WORKING FINE AT THIS TIME.
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Kal