9.6

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
870 miles

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problem #2

Feb 092017

740

  • 1,339 miles
The problem is centered around adaptive cruise control system of BMW 740I 2016. BMW 740I can't detect vehicles from the right corner or left corner when two lanes merge into one and the BMW is approaching the other vehicle where the other vehicle is either at front right or left right. There are multiple symptoms of this problem: First symptom, BMW 740I is not tracking any vehicle and cockpit does not show a tracked vehicle. A car or big truck is in the second lane merging from either corner, BMW 740I does not detect though there was enough time and distance to detect. In one example there was 18 wheeler merging lane and BMW never detected the 18 wheeler though majority of the 18 wheeler was ahead of the BMW from the right corner. Second symptom is BMW 740I is tracking another vehicle, when two lanes merge there is a car from the other lane coming in front from the right corner or left corner, BMW never slows down further since that vehicle is already now in view of the BMW. My understanding the BMW uses the camera behind the rear view mirror, facing forward, to detect such scenarios.

- San Diego, CA, USA

problem #1

Jan 042017

740 6-cyl

  • 400 miles
Vehicle is equipped with adaptive cruise control and pedestrian detection feature. The adaptive cruise control misses to adapt speed or stop or detect a vehicle in front requiring driver intervention to avoid a collision. I have seen multiple symptoms of this problem occurring. Symptom 1: vehicle BMW with adaptive cruise control is tracking another vehicle and adapting speed however for unknown reason it later fails to start the process of slowing down and collision alarm is sounded symptom 2: vehicle BMW is tracking another vehicle and adapting speed on lane 1; upon BMW switching lanes to another clear lane the car accelerates to reach target speed and though it detects another vehicle in front it fails to start slowing down. Driver intervention is required to brake and slow down. Symptom 3: same as driving condition in symptom 2 except that upon lane switch the BMW fails completely to detect a vehicle parked in the second lane and keep going on at same speed. Driver intervention is required to stop the BMW I have videos of the three symptoms and ask you for means to upload the videos. BMW dealership attempted to download new software to fix the problem but the problems increased. I have videos recorded post the repairs and would like to share with you.

- San Diego, CA, USA