There are 1 stored owner reports matching the electrical system leading-label group for the 2018 BMW 6 Series in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2018 BMW 640I. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO BMW OF SILVER SPRING (3211 AUTOMOTIVE BOULEVARD, SILVER SPRING, MD 20904, (888) 295-2096, WHERE THE TECHNICIAN DIAGNOSED AND DETERMINED THAT THE FUEL SYSTEM WAS DEFECTIVE. THE FUEL SENSOR WAS REPLACED HOWEVER, THE FAILURE RECURRED. THERE WAS NO LEAKS PRESENT. THE VEHICLE WAS TAKEN TO ANOTHER DEALER WHERE IT WAS DIAGNOSED AND DETERMINED THAT THE RADIATOR SHROUD WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS CONTACTED AND INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 18,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 30, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.