2022 BMW X3: false forward collision warnings

Filed Aug 21, 2026 · Driver assistance · MD

2022 BMW X3 M40i. The Driver Assistance system appears to activate normally after startup with no warning or indication that a fault is present. However, within approximately 3–5 minutes of driving, a Check Control message appears stating “Driver Assistance limited. Camera vision.” The vehicle then identifies affected systems including Pedestrian Warning, Frontal Collision Warning, Side Collision Warning, Automatic Lane Change, Active Blind Spot Detection, and Steering Assistant. A separate message states that Active Cruise Control is reduced and there may be no brake intervention for stationary vehicles. The safety concern is that the system can appear active and available before the warning appears, even though at least some driver-assistance functions may already not be operating. Before the warning was displayed, I observed that Steering Assistant/lane-keeping did not intervene and I crossed out of my lane without steering correction or a lane-departure warning. There was no prior warning that the camera-based system was malfunctioning. I cannot confirm whether the other affected safety functions were operational during this interval. A BMW dealer inspected the vehicle and physically found the KAFAS camera hood/trim warped from heat. The warped component was removed and shown to me, and the dealer ordered a replacement. BMW has issued SIB 66 13 23 addressing KAFAS camera hood deformation on affected vehicles. Fault memory also contained KAFAS codes 800ABF, 800ABE, and 800AC4 for camera field-of-view disturbance and calibration failure. This creates a potential safety defect because the driver may reasonably believe lane-keeping and other camera-based safety systems are functioning until the vehicle detects the failure several minutes later. The vehicle/component can be made available for inspection

Filed Oct 18, 2023 · Driver assistance · GA · crash · 2 injuries

The front collision warning failed and had not given any problem prior to the failure. We were in a car accident where a person turned left (we were going straight) and passed right in front of us when we hit them. The Forward Collision Warning did not display and our vehicle was deemed a total loss by the insurance. We may of avoided the accident if the sound and display of the warning had triggered.

Filed Sep 6, 2023 · Driver assistance · NJ

The main windshield bracket holding the front camera (responsible for Driver's Assistant including front collision warning, pedestrian warning, lane departure warning, etc.) has the tendency to break on its own. The bracket is made of thin plastic and can melt under direct sunlight and/or usage of vehicle as the camera gets hot as well. Any reasonable exposure or usage will eventually cause the bracket to melt/deform and fail, causing the camera to fall from its original position. The misalignment of camera will cause a cascade of error codes and completely fail to work, rendering the entire safety systems to be useless. The bracket itself is not sold separately and requires the manufacturer to install a completely new windshield which is the only method of fixing this issue. Manufacturer and/or dealerships refuse to warranty if preventative methods are used (such as windshield tint) even though the camera or mounts remain untouched.

Filed Oct 17, 2022 · Driver assistance · CA

- Bracket holding KAFAS camera system to windshield failed causing Driver Assistance system errors in vehicle; surrounding area gets very hot to the touch - System errors restricted certain driver assistance features including collision warnings - Problem was found by two dealerships; first dealership denied claim, second repaired via windshield replacement - Service advisor mentioned another vehicle had similar failure - BMW forum (Bimmerpost) confirmed several identical failures

Filed Jun 13, 2022 · Acceleration, Driver assistance · AL

instrument cluster sporadically working. front collision and lane departure not working when the cluster isn't working. unable to judge speed accurately, Yes problem has been reproduced by Sandy Sansing BMW in Pensacola FL.no the part hasn't been inspected.no other warmings but have had warnings since that the driver assistance restricted. Frontal collision warning, pedestrian warning . I have been given a time frame to fix this as completly unknow- forcing me to drive this car without working instruments.