2015–2027 · 13 model years · 31 recalls
We don't rate the BMW 4 Series yet, because we don't have its sales figures. The 2015 has the most owner complaints filed with NHTSA (145). Owners complain most about engine & cooling. Popular years get more complaints, so treat these counts as a guide to what goes wrong, not a ranking.
Owner complaints filed with NHTSA, all years 2015–2027.
| Model year | Reliability | Complaints | Recalls | Best mpg |
|---|---|---|---|---|
| 2027 4 Series | Not rated yet | 0 | 0 | 31 |
| 2026 4 Series | Not rated yet | 3 | 1 | 31 |
| 2025 4 Series | Not rated yet | 16 | 1 | 31 |
| 2024 4 Series | Not rated yet | 4 | 2 | 28 |
| 2023 4 Series | Not rated yet | 6 | 3 | 28 |
| 2022 4 Series | Not rated yet | 8 | 5 | 28 |
| 2021 4 Series | Not rated yet | 15 | 6 | 29 |
| 2020 4 Series | Not rated yet | 5 | 1 | 27 |
| 2019 4 Series | Not rated yet | 43 | 3 | 27 |
| 2018 4 Series | Not rated yet | 63 | 1 | 27 |
| 2017 4 Series | Not rated yet | 42 | 2 | 27 |
| 2016 4 Series | Not rated yet | 82 | 1 | 27 |
| 2015 4 Series | Not rated yet | 145 | 5 | 27 |
Reliability compares each year with similar cars from 2015 to 2024, using owner complaints filed with NHTSA per car sold. Complaint counts on their own aren't a score: popular cars get more of them.
Owners complain most about engine & cooling, electrical system, airbags & seat belts.
The 2021, with 6 recalls on record with NHTSA.