AutoUtility currently tracks 4 official NHTSA owner defect complaints for the 2018 BMW M5. Engine & Cooling issues are the most frequently reported category, appearing in 2 complaints (50% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records. The 2018 BMW M5 belongs to the 6th Generation (F90) platform.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
2 owner complaints submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"BMW issued a stop sale on 2017-2023 bmw F90 M5 chassis regarding the expansion tank failure. All vehicles should be affected by the recall. My current vehicle is experiencing the issues stated on the recall notice. Expansion tank is failing and causing coolant to seep into engine bay"
"The coolant tank on my 2018 M5 failed causing a coolant leak. This is a highly documented problem on the forums and mine needed replacement at 22k miles. The bigger issue is the location of the tank because the coolant leaks on the ignition coils and fuel injectors causing failures later. My coils..."
"This is for the front passenger seat only.The idrive system will give an error for the passenger restraint system and will mention there is a seat belt issue and turn off the airbag. This is intermittent and will happen with or without a passenger. I contacted BMW about it but because it is not..."
"I ALMOST HAD A TERRIBLE ACCIDENT IN MY 2 WEEK OLD 2018 M5 ON THE 1-95 HIGHWAY ON THE NIGHT OF MAY 25, 2018 AT ABOUT 9:45PM. WITHOUT WARNING, AT ABOUT 65MPH, THE CAR JERKED FOR ABOUT 3SECONDS , KICKED OUT OF DRIVE INTO NEUTRAL AND STARTED DECELERATING. I WAS IN THE MIDDLE LANE SURROUNDED BY SPEEDING..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 BMW M5 | 3 | 0 | 1 | View 2015 Problems → |
| 2016 BMW M5 | 1 | 0 | 2 | View 2016 Problems → |
| 2018 BMW M5 Current Page | 4 | 0 | 3 | Current |
| 2019 BMW M5 | 8 | 0 | 3 | View 2019 Problems → |
| 2020 BMW M5 | 1 | 0 | 3 | View 2020 Problems → |
| 2021 BMW M5 | 2 | 0 | 1 | View 2021 Problems → |
| 2022 BMW M5 | 1 | 0 | 0 | View 2022 Problems → |
| 2023 BMW M5 | 0 | 0 | 0 | View 2023 Problems → |
| 2024 BMW M5 | 0 | 0 | 0 | View 2024 Problems → |
| 2025 BMW M5 | 0 | 0 | 2 | View 2025 Problems → |
| 2026 BMW M5 | 0 | 0 | 1 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 4 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| AIR BAGS,SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2018 BMW M5
In official NHTSA consumer records, the most frequently cited issue area for the 2018 BMW M5 is Engine & Cooling, appearing in 2 records (50% of submitted filings).
Secondary reported categories include Air Bags & Restraints (1) and Powertrain & Transmission (1).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 4 consumer defect complaints and 3 safety recall campaigns for the 2018 BMW M5.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2018 BMW M5 cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.