![]() When you pair your smartphone with BMW, besides the software keys, the connection also needs a propper Bluetooth profile. The AVCRP ProblemĪudio/Video Remote Control Profile (AVCRP), also known as the Bluetooth profile, is a standardized interface that, among others, can control navigation and audio streaming via your BMW’s iDrive system. It’s possible that all you’ll need to do is make a couple of fast phone calls during the drive, and everything will be OK. Remember that it might not be as obvious as you think. So, if you’re encountering problems, see if they started after you updated your phone. I use an ancient iPhone 6 with an old iOS that I know works for this. When the customer comes in with this complaint after this lesson, the first thing I do is disconnect their phone from the car and connect mine. However, until the “official” announcement of the flaw, BMW technicians all over the world battled to pinpoint the problem by swapping or programming iDrives, Comboxes, and telematic control units (TCU). While waiting for the official release, Apple provided users the opportunity to install the beta version of the upcoming update. The issue was caused by an iOS software bug. The connection is re-established in a matter of seconds, and the conversation can continue hands-free. On the iPhone, the conversation continues. ![]() ![]() The Bluetooth connection cuts out during the call and the iDrive switches to the most recent media source (e.g. We also encountered a similar problem with iOS 9.2.1 in 2016. When you start the car next time, everything works as if nothing happened. Then, during the next call, the phone will lose connection. In this case, the Bluetooth connection will usually hold fine for the first two or three calls, depending on the call length. This happened in 2022 with the iPhone iOS update. So, over the years I’ve discovered that the smartphone’s software is usually to fault for this problem. The music begins to play, and you must take over the call using your phone. You begin a conversation and the connection drops just as you are about to make a point. Let’s have a look at some of these faults. While troubleshooting Bluetooth issues, I’ve exchanged quite a bit of control units and antennas, only to discover that the biggest offender is actually the bug in smartphone software. The Phone Button on The Steering Wheel Not Workingīluetooth issues in BMW include call dropouts, music that won’t play despite a good connection, phones that won’t pair with the car, and poor voice quality at high speeds, to name a few.ĭespite the fact that the symptoms vary, the main cause is virtually always in software.The stored contact picture is not displayed with incoming calls and an activated split screen.Problems With Smartphone Functions (Phone Book, Contacts, SMS, etc.).iDrive Resets While Bluetooth is Connected.
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