BMW 7 Diesel: Multiple System Failures & Warning Lights

Hey there! I had some experience with something similar on my 2013 BMW 5 series diesel. I've got basic experience working on cars but leave the complex stuff to the pros. From what you're describing, it sounds just like what I dealt with, turned out to be a dirty radar sensor. The warning lights and system errors were driving me crazy! Took it to my regular workshop and they found the sensor was covered in road grime. After a thorough cleaning and recalibration, everything went back to normal. The whole thing cost me 45 Euro, which wasn't too bad. What's your car's mileage and have you noticed if these issues happen more in certain weather conditions? This could help pinpoint if we're dealing with the same problem. Also, which specific warning lights are you seeing? Let me know these details and I might be able to help more!

Thanks for sharing your experience! My car has 18126 KM and had its latest service just 2 months ago. The warning lights mainly pop up during wet weather, showing the collision warning system and lane departure warnings. It's definitely similar to what you described. The timing with rainy conditions makes me think you might be right about the dirty sensor theory. Might try getting it checked at the workshop you mentioned, sounds like a reasonably priced fix rather than a major issue. Did you have to wait long for the repair to be completed when you got yours done?

Hey again! Yeah, those symptoms sound exactly like what I experienced! When I took my BMW in, the whole process was pretty quick, only took about 2 hours total. The techs cleaned the sensor, ran some diagnostics, and did the recalibration. Most of the time was actually spent on the calibration part to make sure everything was working properly. Since you mentioned it happens mostly in wet weather, I'm even more convinced it's the same issue I had. After they fixed mine, I started paying more attention to keeping that sensor area clean, especially during rainy seasons. It's made a big difference, haven't had any problems since. Just a heads up, while my repair was relatively cheap, prices can vary between workshops. But even if it costs a bit more, it's way better than replacing the whole sensor unit, which would've been super expensive. Quick tip: while you're waiting for the workshop appointment, try wiping the front radar sensor area with a soft, damp cloth. Sometimes that temporary clean-up can help reduce the warning messages. Just be gentle with it! Let me know how it goes when you get it checked out!

Thanks so much for all this helpful information! Really appreciate the cleaning tip, I'll definitely give that a try before my appointment. Just called the workshop and they can fit me in tomorrow morning. They estimated about 2-3 hours for the whole process, which sounds about right based on your experience. I feel much better knowing this is likely just a maintenance issue rather than something major. It makes total sense about the wet weather connection now, we've had quite a bit of rain lately. I'll definitely make keeping that sensor clean a regular part of my maintenance routine once it's fixed. Will save myself some stress in the future! Thanks again for sharing your experience, it's been super helpful in figuring this out. I'll update you after the repair!