AI Damage2020 BMW X6: common problems
Owners of the 2020 BMW X6 filed 9 complaints with NHTSA, most often about electrical system and service brakes. The maker issued 292 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 9
- Technical service bulletins (TSB)
- 292
What fails most often
- 1 Electrical system 56% of all complaints
- 2 Service brakes 22% of all complaints
- 3 Engine and cooling 11% of all complaints
- 4 Powertrain 11% of all complaints
- 5 Seat belts 11% of all complaints
- Electrical system: 5 complaints (56% of all); manufacturer bulletins for this component: 91.
- Service brakes: 2 complaints (22% of all); manufacturer bulletins for this component: 7.
- Engine and cooling: 1 complaints (11% of all); manufacturer bulletins for this component: 29.
- Powertrain: 1 complaints (11% of all); manufacturer bulletins for this component: 5.
- Seat belts: 1 complaints (11% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3 L · petrol · turbo · 6 cyl
- 4.4 L · petrol · turbo · 8 cyl
- automatic, 8-speed
Drive: AWD, RWD
Symptoms owners describe
How many of the 9 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 5 | 0 | 91 |
| Service brakes | 2 | 0 | 7 |
| Engine and cooling | 1 | 0 | 29 |
| Powertrain | 1 | 0 | 5 |
| Seat belts | 1 | 0 | 0 |
| Equipment | 0 | 0 | 91 |
| Structure | 0 | 0 | 31 |
| Visibility | 0 | 0 | 22 |
| Seats | 0 | 0 | 20 |
| Steering | 0 | 0 | 17 |
| Engine | 0 | 0 | 13 |
| Air bags | 0 | 0 | 12 |
| Backover prevention | 0 | 0 | 12 |
| Lane departure | 0 | 0 | 11 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The contact stated that while the vehicle was parked and attempting to start the vehicle, the vehicle failed to start. The vehicle was towed to an independent mechanic, where it was diagnosed with battery failure. The contact was informed that the battery needed to be replaced.
The vehicle would not start and left me stranded over 40 miles from home. I was unable to start the vehicle for over an hour. The road side service was unable to start the vehicle.
The contact stated that the vehicle failed to start, with the message "Check Control - Repeat Start Attempt" displayed. In addition, the check engine warning light remained illuminated. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was offered.
On July 27, 2024, the parking brake on this car would not disengage, thus, I was unable to drive my car. We had to turn off the car for 15 minutes and then step on the gas and brake at the same time at which point the park brake "disengaged." I believe this is a safety/manufacturer issue that needs to be addressed and…
On December 28, 2023, the "Fasten Seat Belt" sign (rear passenger side seat) and sensor in my BMW x6 starting buzzing even though no one is seating on that seat. I subsequently brought my car to the dealership and the service consultant did an ocular inspection of my seat belt and looked inside the buckle with a…
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,524 of 2,102 model years in the NHTSA data (among the 27% least complained about).
On average one model year of the X6 has 5 complaints (11 years in the data). This year has 9, above average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- BMW Notice of the Court’s Final Approval for Shark-Fin Antenna Settlement (X3, X4, X5, X6, X7)
- Rear Roof Antenna Shark Fin Cover Sealing Issue
- The manual starting of electronic engine oil level measurement from inside the vehicle, usually…
The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
- The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15…
The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the vehicles original in-service / first delivery date.
- The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has…
The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
- Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote…
Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote Services(remote engine start, lock/unlock/climate conditioning) will not be able to reactivate the TCB2. Due to this issue…
- A check control message (CCM) for the restraint system (Air bag) appears
In the instrument cluster, the redair bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: Short circuit to negative…
- SHARK FIN ROOF ANTENNA SEALING SETTLEMENT Extended Warranty
- The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or…
The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery…
- After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the…
After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the front bottom active air flap is obstructed or blocked.
- A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator…
A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator lamp(MIL) illuminated. After carrying out the vehicle test, one or more of the stored faults indicate that the…
- A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor…
A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor during body flex. This situation may be worse in vehicles which are regularly waxed in th e area of the door…
NHTSA lists 292 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2020 BMW X6?
Owner complaints to NHTSA most often mention: electrical system, service brakes, engine and cooling. Total complaints: 9. The most frequent symptoms in complaint texts: won't start (33%), overheating, coolant loss (22%), warning lights, check engine (22%).
How many service bulletins (TSB) were issued for the 2020 BMW X6?
NHTSA lists 292 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 BMW X6 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.