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SpeedyT

BMW 7 Series Bluetooth & Tech Glitches, Help Needed

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Smartphone can not be connected

Hey everyone! Having some frustrating issues with my 2017 BMW 7 (58.5k km, gas engine). The whole infotainment system is acting up, can't connect phones via Bluetooth, calls keep dropping, and getting unusual error messages. The system sometimes works for a few minutes before failing again. Has anyone dealt with similar connectivity problems? Would love to hear about your experiences and repair solutions, especially since my last mechanic visit wasn't great. Thanks in advance for any help!

4 comment(s)


BirgiTuner

I faced similar issues with my 2014 BMW 5 Series last summer. The symptoms were identical, dropped connections, pairing failures, and system crashes. My mechanic diagnosed it as a faulty Bluetooth control module. The repair required replacing the module and updating the iDrive software. It was a relatively serious issue since the module is integrated with other vehicle systems. The job took about 4 hours at the dealership, but it's been working flawlessly since then. This isn't something you can fix with basic troubleshooting. Based on your description, it sounds like you're dealing with the same problem. I'd suggest getting it checked at a BMW-certified shop specifically, as they have the proper diagnostic tools for these systems.

SpeedyT (Author)

Hey, thanks for sharing your experience! That sounds exactly like what I'm dealing with. Glad to hear you got it sorted out. Do you mind if I ask roughly how much the repair set you back? Also, has everything been running smoothly since the fix, or have you noticed any other quirks pop up?

BirgiTuner

Really happy to give you an update! After sharing my previous experience, I actually had the same issue come back briefly, but got it properly sorted now. Took it back to the shop and turns out it was just an incorrect pairing issue with the end device, way simpler than the module replacement I mentioned before. Only cost me 45 € this time around, which was a massive relief compared to what I initially paid for the module replacement. Since this latest fix, all those annoying function restrictions have completely disappeared. The Bluetooth's working perfectly, no more dropped calls or connection issues. I know it's super frustrating when these things act up, but sometimes it's just a minor fix needed. Been about three months now since the repair, and everything's running smooth as butter. My music streaming, hands-free calls, all working exactly like they should. Let me know how you get on with yours!

SpeedyT (Author)

Just wanted to update you on my BMW situation! Finally took it to a different mechanic who actually knew what they were doing. Turns out it wasn't nearly as complicated as I thought. They found some corrupted software in the system and did a complete reset. Cost me about 90 bucks and a couple hours of my time. The funny part is, while they were working on it, I got chatting with another customer who had the exact same issue. The mechanic showed us how to do a basic reset if it happens again, super helpful! Everything's working perfectly now, my phone connects right away, no more dropped calls, and the error messages are gone. Thanks again for sharing your experience. It really helped me push for a proper diagnosis instead of just living with the problem. Sometimes the simplest solutions are the best!

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