2018 Bmw M4 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
6 owner complaints analyzed
1 distinct recall campaigns
61,000 mi median reported failure mileage
Scope: 2018 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Fuel/Propulsion System is the most frequently named component, appearing in 4 of 6 complaints (66.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Fuel system concerns | 4 | 66.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel/Propulsion System | 4 |
| Back Over Prevention: Sensing System: Camera | 1 |
| Engine | 1 |
Fuel/Propulsion System: 4; Back Over Prevention: Sensing System: Camera: 1; Engine: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (1). 5 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2026 | 1 |
2019: 1; 2023: 2; 2024: 2; 2026: 1
Pattern summary
Fuel/Propulsion System leads the component reports. Fuel system concerns appears in 4 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11532209 · 2023-07-14 (July 14, 2023)
I think the fuel tank has cracked on the upper portion of the tank. I noticed a smell of gas on my way home from filling gas and when I got home I realized there was a puddle of gas sitting underneath my car. I jacked up the car and inspected the underneath and saw nothing, I noticed the gas was leaking from a higher spot, somewhere I couldnt see. Ive read on forums that its happened before to a few other people and someone personal that I know. Yes the car can be inspected upon request. Safety is put at risk because the gar is leaving right ne…
Owner-reported narrative. Look up ODI 11532209 at NHTSA ↗
Owner report 11541854 · 2023-08-31 (August 31, 2023)
Fuel tank was leaking. I brought it in to BMW of San Antonio who found the left side top area of fuel tank leaking fuel from the sealed portion. Heat caused the top of fuel tank to expand and crack. BMW of SA required me to buy a replacement fuel tank. When I said, if I buy the replacement fuel tank, won't this issue keep reoccurring every time it gets hot. The tech advised that BMW was aware of the problem and designed the replacement fuel tanks differently, so that the fuel tanks won't expand and crack in the same manner. I advised BMW of Nor…
Owner-reported narrative. Look up ODI 11541854 at NHTSA ↗