Engine and engine cooling: engine
Risk. A vehicle stall can increase the risk of a crash.
NHTSA has logged 32 owner complaints about the 2018 BMW 330i, most often about the engine. It is covered by 1 safety recall, and for recall 18V-465 the manufacturer reports only 98% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 31, 2026. Updated daily.
32 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 12 | 1 |
| Fuel/propulsion system | 4 | 1 |
| Electrical system | 4 | 2 |
| Engine and engine cooling | 2 | 0 |
| Vehicle speed control | 2 | 0 |
| Steering | 1 | 0 |
| Structure | 1 | 0 |
| Tires | 1 | 0 |
| Visibility/wiper | 1 | 0 |
| 5 other systems | 5 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A vehicle stall can increase the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with BMW.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the 330i median. How we score
Federal investigations that included the 2018 BMW 330i, and the recalls they led to.
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
The engine overheated and suddenly lost power/ acceleration while driving in rush hour traffic at highway speed. I had to move across 3 lanes of traffic to get on to shoulder of highway safely while car and engine sputtered and slowed to a stop with no power or acceleration. After having vehicle…
The coolant system and oil housing filters. The entire coolant system components fails in this vehicle after 60,000 mile due to the parts not being all aluminum. This fix alone is about 8k from the BMW Dealership. This isn’t fair to the customer! This needs to be a recall! The parts needs to be…
Car keeps overheating. Water pump, water hose and expansion tank have been replaced several times and the car still overheats.
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.