There are 2 stored owner reports matching the driver assist & adas leading-label group for the 2021 BMW 5 Series in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)The system does not provide any warning for rear cross traffic, visual or audio. The dealership that sold the car concluded on two occasions that the system was not working, but later said they were unable to find faults or fixes.
RCTA system does not work (other than on rare, unpredictable occasions, and generally only when the alert is worthless) - when another vehicle or pedestrian is too close to the car to make any difference. I have had cars with RCTA for years and none of them failed to detect objects/vehicles/people at much greater distances from my vehicle that could reasonably be expected to collide with my vehicle if I continued to back up. All these other cars provided an adequate advance warning of an impending danger (another car, bike, pedestrian, etc. approaching my vehicle with which I might collide, etc.) allowing the driver to react and avoid the problem. THIS PROBLEM OCCURRED REPEATEDLY STARTING IMMEDIATELY AFTER I TOOK POSSESSION OF THE CAR IN MARCH 2021. After repeated attempts to get BMW to fix the problem, I gave up. I will note the first serious occurrence of the issue below, but it has been repeated every time I use the car and pull out of a parking space in reverse. Probably 150 times? I can compensate for this failure somewhat, but it is vastly inferior to having a properly working RCTA. I have visited BMW dealerships on multiple occasions and each time asked that this issue be addressed. The car is reviewed, and I am told the system is working as designed. My response is that the car is therefore designed to be unsafe? However, on my latest visit for regular service (24 months since start of lease) I went to a different dealership, the service advisor told me that the problem was widespread in BMW 5 series sedans and SUVs. He indicated that there is no fix available at this time. It's been two years since I brought this to BMW's attention. Service Invoice that I am attaching is from March 3, 2022 - one of the trips to the dealership to get regular service where I asked again that this issue get addressed. See Item # 4 on pages 1 and 2.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 30, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.