There are 1 owner-reported fuel system complaints for the 2005 BMW Z4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
2005 BMW Z4 3.0I FAULTY FUEL PUMPS. I HAVE HAD 3 FUEL PUMPS REPLACED ON MY CAR AND STILL HAVE THE VERY SAME PROBLEM. MY CAR STALLED, THE IDLING DROPS, THE FUEL PUMP MAKES A LOUD VIBRATING RUMBLING NOISE. MANY OTHERS ARE COMPLAINING ABOUT THE SAME PROBLEM, THE YRS AFFECTED ARE FROM 2003 - 2009. *TR
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