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What 9 owners told NHTSA about the 2019 BMW X4

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (9)Crash / fire / injury (1)Electrical system (3)Brakes (2)Driver assistance (1)Electronic Stability Control (esc) (1)Engine (1)Fuel system (1)Transmission & drivetrain (1)

1 of 9 complaints match · Fuel system · clear filters

Aug 9, 2024Fuel system

as I was driving, the gas fuel line started spewing gas all over. The crack was higher up, behind the backseat, had to replace the fuel line. And behind the backseat was soaked with fuel oil. there was a material substance wrapped around like a cloth around the cracked area. As if the crack came from the factory and they covered it up.

NHTSA ODI 11607466

Working with the data? Download all 9 complaints as CSV · fetched from NHTSA July 12, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2019 BMW X4 verdict →