2021 BMW X6 Problems

Complaints Reported

Complaints by Component

AIR BAGS

1 complaint

Wiring from knee air bag to module failed. Had to repair wiring from front driver and passenger knee air bags. Wiring had a short to ground. Resulted in a $1600 bill.

Nov 25, 2025

ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM

1 complaint

The contact owns a 2021 BMW X6. The contact stated that upon start the vehicle, the drivetrain message was displayed. Overtime, the contact stated that the vehicle either failed to start or was slow to start while depressing the START/STOP button. The vehicle was taken to a dealer and the starter was replaced; however, a month later, the drivetrain message returned. Additionally, the contact stated that while reversing out of a parking space, the vehicle shut off while in reverse(R). The vehicle was taken back to the dealer and the contact was informed that the crank sensor needed to be replaced. The dealer stated that the part needed to be ordered, and the contact was instructed to return in a few days for the repair. After leaving the appointment, the contact stated that the vehicle failed to start up while in a parking lot and the vehicle was towed back to the dealer. Another diagnostic test was performed, and the contact was informed that the alternator, starter, and battery all needed to be replaced. The vehicle was not repaired and remained with the dealer. The manufacturer was not notified of the failure. The failure mileage was approximately 53,000.

Nov 12, 2025

STEERING,SERVICE BRAKES

1 complaint

Unknown

Oct 18, 2025

BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE

1 complaint

The automatic parking feature was being used to park in garage the vehicle proceed to back up without stopping and the emergency braking system didn’t engage leading to the vehicle crashing. I could have been injured if the structure of the house didn’t stop the vehicle. If someone had been behind the vehicle they would’ve been killed. The incident was reported to BMW, although the system malfunctioned the driver is responsible for maintaining control of the vehicle.The vehicle is has been repaired but system is still malfunctioning. These problems didn’t exist prior to crash.

May 17, 2024

Crash: 1

UNKNOWN OR OTHER

1 complaint

The AC, air system blows out a bad odor...smell like vinegar, burned plastic and rotten eggs

Mar 31, 2023

LANE DEPARTURE,FORWARD COLLISION AVOIDANCE

1 complaint

IF I HAVE MADE THE PURCHASE DEPOSITING 100000 AND THE REST IN MONTHLY PAYMENTS

Dec 20, 2020

⭐

4.5/5.0

24 reviews

Frequently Asked Questions

How many problems does the 2021 BMW X6 have?

The 2021 BMW X6 currently has 6 owner-reported complaints according to NHTSA database. These complaints are organized by component to help identify common issues.

What are the most common problems with 2021 BMW X6?

The most common problems reported for the 2021 BMW X6 are organized by component above. Each component section shows owner-reported issues, crash reports, and fire incidents to help identify patterns and problem areas.

Where does this 2021 BMW X6 problem data come from?

All problem and complaint data for the 2021 BMW X6 comes directly from the National Highway Traffic Safety Administration (NHTSA) database. These are real complaints submitted by actual vehicle owners.