There are 1 owner-reported fuel system complaints for the 2019 BMW X4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026