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2018 BMW X4
Limited data: few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven, not endorsed, and lean hard on a professional pre-purchase inspection.
11 owner complaints · 1 recalls · data verified July 12, 2026 · source: NHTSA
What the record shows so far
Only 11 owner complaints on file for this exact model year, too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
The road ahead
What breaks on a 2018 BMW X4, plotted where owners report it happening.
Also reported (mileage varies): Electrical system (7) · Engine & cooling (5)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Electrical system
64%7 complaints · 7 in the last 2 years
“The contact owns a 2018 BMW X4. The contact received notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); however, the part…”
Engine & cooling
45%5 complaints · 5 in the last 2 years
“The contact owns a 2018 BMW X4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part…”
Engine
27%3 complaints · 2 in the last 2 years
“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…”
Brakes
9%1 complaints · 1 in the last 2 years
“Unknown: Dealership replaced my brakes however they weren’t working properly I reported it 3 times BMW said it was common about 2 weeks later I was involved in a car a…”
Recalls (1)
Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.
Engine And Engine Cooling · 24V608000
BMW of North America, LLC. (BMW) is recalling certain 2012-2015 X1 sDrive28i, X1 xDrive28i, 2012-2016 Z4 sDrive28i, 528i, 528i xDrive, 328i, 328xi, 2016-2018 X5 xdrive 40e, 2014-2016 228i, 228xi, 428i, 428i xDrive, 328xi Gran Turismo, 2013-2017 X3 sDrive28i, X3 xDrive28i, 2015-2018 X4 xDrive28i, 2015-2016 428xi vehicles. An improperly sealed electrical connector on the water pump may be exposed to water and short circuit.
Risk: An electrical short increases the risk of a fire.
Fix: Dealers will inspect and replace the water pump and plug connector as necessary, and install a protective shield, free of charge. Owner notification letters were mailed on March 28, 2025. Owners may contact BMW customer service at 1-800-525-7417.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
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A $150 to $250 independent inspection of this exact 2018 BMW X4 beats every score on the internet, including ours.
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What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.