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Engine coolingPart report

2018 BMW X3 Engine cooling Problems

Complaints
4about this part
Share
5%of 76 total for the year
Median mileage
114,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 2018 BMW X3, 5% of the 76 complaints for this model year. Where a mileage was given, the median is 114,000 miles.

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.

“The contact owns a 2017 BMW X3. The contact received notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated while driving approximately 65 MPH, the vehicle lost motive power. The contact observed that the temperature warning light was illuminated. …”

NHTSA complaint #11615038, filed 2024-09, 139,000 miles

“The contact owns a 2018 BMW X3. The contact stated that while driving on the highway at 48 MPH, the temperature gauge indicated that the engine was hot, and the “Warning – Pull Over - Engine Overheating” was displayed. The contact pulled over to the side of the road to allow the engine to cool down. The contact restarted the vehicle however, the message that the engine was overheating was again displayed. The vehicle was towed to the residence. The contact stated that several days later the vehicle was towed to a local dealer to be diagnosed. …”

NHTSA complaint #11635346, filed 2025-01, 89,000 miles

“The contact owns a 2018 BMW X3. The contact stated while driving approximately 55 MPH, the Engine Coolant Level Low and Engine Overheating warning lights illuminated. The contact drove the vehicle to an Auto Parts store and purchased a gallon of coolant. The contact refilled the coolant reservoir and became aware of a puddle of coolant underneath the vehicle. The contact drove the vehicle to a local dealer. The vehicle was not yet diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 71,000.”

NHTSA complaint #11635922, filed 2025-01, 71,000 miles

“The contact owns a 2018 BMW X3. The contact stated while his wife was driving 65 MPH, a message advising to stop driving was displayed, and the vehicle simultaneously shifted into neutral(N) independently. The vehicle stalled in the middle of the highway and failed to respond while depressing the accelerator pedal. The message advising to drive with caution was displayed after several minutes, and the contact was able to continue driving upon depressing the accelerator pedal. The vehicle was taken to an unknown dealer to be diagnosed. The vehicle was not diagnosed or repaired. …”

NHTSA complaint #11575803, filed 2024-03, 152,942 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202011%
201974%
201845%
20172224%
20161822%
20151514%
20141922%
2013136%
201225%
20112421%
20101444%
2009316%
20081523%
20071616%
200643%
200533%
2004118%

Other parts of the 2018 BMW X3

Electrical system
22 complaints
Engine
16 complaints
Other or unknown
12 complaints
Body and structure
9 complaints
Steering
7 complaints
Exterior lighting
6 complaints
Air bags
5 complaints
Brakes
5 complaints
Suspension
5 complaints
Back-over prevention (rear camera)
3 complaints
Seat belts
2 complaints
Seats
2 complaints

← All problems reported for the 2018 BMW X3

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