Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes (DTCs) and the MIL (warning light) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
full bulletin at NHTSA ↗2023 BMW X3 engine problems
moderate Owners of the 2023 BMW X3 have filed 4 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of September 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Complaints
4
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2019 X3 | 27 |
| 2020 X3 | 19 |
| 2021 X3 | 10 |
| 2022 X3 | 4 |
| 2023 X3 (this page) | 4 |
What stands out
Owners are still filing on this — the most recent NHTSA engine complaint for this vehicle was logged 5 days ago.
Engine accounts for 27% of all owner complaints filed against this vehicle, across 3 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
full bulletin at NHTSA ↗The 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 in-service date.
full bulletin at NHTSA ↗In hot ambient conditions, if the engine was running for a prolonged time while the vehicle is stationary, a jolt may be experienced while lightly accelerating.
full bulletin at NHTSA ↗There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
I am submitting this complaint regarding a recurring coolant leak and cooling-system issue with my 2023 BMW X3. I began receiving repeated “low coolant” warnings on the vehicle's dashboard. The coolant was topped off, but the warning continued to return, indicating that this was not simply a low-fluid or routine maintenance issue. The vehicle was subsequently inspected by BMW, and a coolant…
I am submitting this complaint regarding an unresolved safety recall on my vehicle. The recall has been outstanding for approximately three months. and I have been informed that there is still no remedy available. I understand that some recalls may require time for manufacture to develop and distriubute a repair, however , this is a safety related recall and leaving consumers with a known safety…
Mileage: 31,694 (bought [new]) The engine starter intermittently fails to crank the engine and, per an open manufacturer recall, presents a fire risk while the vehicle is running. On multiple occasions the vehicle struggled to start during normal use. There was no crash, no injury, and no airbag deployment. To isolate the issue I contacted my authorized BMW dealer three times 07/01/2026,…
The contact owns a 2023 BMW X3. The contact stated while driving at an undisclosed speed, the vehicle independently accelerated. The contact depressed the brake pedal however, the vehicle independently accelerated. The contact also stated that the failure had previously occurred several times. The vehicle was scheduled for an upcoming service appointment. The vehicle was not diagnosed or repaired…
Had engine trouble with your 2023 BMW X3?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2023 BMW X3?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2023/BMW/X3.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.