There are 2 stored owner reports matching the engine leading-label group for the 2004 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)2004 BMW 645CI. CONSUMER STATES PROBLEM WITH VEHICLE STALLING SEVERAL TIMES. *TGW AN INDEPENDENT REPAIR SHOP PERFORMED A DIAGNOSIS AND CODES FOR THE CAMSHAFT SENSOR AND SOLENOIDS APPEARED. THE PARTS WERE REPLACED, HOWEVER THE STALLING CONTINUED. THE VEHICLE WAS TOWED TO THE REPAIR SHOP AND AGAIN AND THE MECHANIC PERFORMED ANOTHER DIAGNOSIS AND STATED THE PROBLEM WAS THE IDRIVE, BUT WHEN HE ATTEMPTED TO REPROGRAM THE IDRIVE, IT WAS DETERMINED THE CCC AND DME WERE BAD AND NEEDED TO BE REPLACED. *JB
2004 BMW 645: WHILE DRIVING 20 MPH VEHICLE STALLED AND CONSUMER WAS ABLE TO RESTART THE VEHICLE. CONSUMER TOOK THE VEHICLE TO DEALERSHIP FOR INSPECTION. DEALERSHIP WAS UNABLE TO DUPLICATE PROBLEM. THE ENGINE STALLING PROBLEM RECURRED AND THE VEHICLE WAS TAKEN BACK TO THE DEALER FOR INSPECTION. AGAIN, DEALERSHIP COULD NOT UNCOVER ANY DEFECT OR MALFUNCTION AND THE VEHICLE IS OPERATING AS DESIGNED. *AK (VEHICLE BUILD DATE: MAY 4, 2004 - EXCLUDED FROM SAFETY RECALL 04V-344, WHICH HAS A BUILD DATE RANGE BEGINNING WITH MAY 12, 2004) *MJJ
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.