2018 BMW X4 Engine Problems
- Complaints
- 3about this part
- Share
- 27%of 11 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2018 BMW X4, 27% of the 11 complaints for this model year. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I got 2018 bmw x4 and 7year/80000km warranty from the bmw store in vancouver on jun 25,2019.I used to drive to seattle to shopping and eating. I and my husband drived this car from vancouver to edmonton on jun 1,2022. On jun 4,the engine sign and change oil sign all light up . …”
NHTSA complaint #11487774, filed 2022-10“We heard a whining sound under the hood on November 1st, 2025. Prior to noticing this noise, there were no warming lamps or messages appearing. Following a short drive we smelled burning in the garage. We did not drive the vehicle the following day and intended to take it to our mechanic on Monday morning, the 3rd. Upon trying to start the car it was dead. We had to have it professionally jumped as standard jumping with our personal jumper cables would not start it. Our mechanic explained both the battery and the water pump would need to be replaced. …”
NHTSA complaint #11706580, filed 2025-12“The water pump was found to have extreme corrosion after several other components on the car were damaged from the coolant leak into the electrical system. The car was suddenly losing power while driving and the DME was smoking, potentially causing an engine fire. So far the water pump, Digital Motor Electronics (DME) and throttle body were replaced over a 15 day period in service. The day the car was picked up, the chassis stabilization light came on and the dealership was receiving codes saying multiple additional electrical systems are now triggering the codes. …”
NHTSA complaint #11682608, filed 2025-08Related service bulletins
- 11032731May 6, 2026The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original…
- 11012074Dec 11, 2024the NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
- 11012067Dec 11, 2024The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
- 11000579May 2, 2024Evap system purge (vent) valve ext ltd wty (elw) 15/150
Engine: other model years
Other parts of the 2018 BMW X4
7 complaintsEngine cooling
5 complaintsOther or unknown
2 complaintsBrakes
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 BMW X4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology