There are 1 owner-reported suspension complaints for the 2007 BMW Z4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
1. REAR SWAY BAR MOUNT LOOSENS OVER TIME. 2. REAR SWAY BAR MOUNT MAY FALL OFF IF NOT TIGHTENED EVERY ~5K MILES. ADVERSELY AFFECTS VEHICLE HANDLING, ESPECIALLY IN EMERGENCY MANEUVERS. NOTICEABLE INCREASE IN VEHICLE UNDERSTEER, 3. REPLACED REAR SWAY BAR MOUNT (IT HAD FALLEN OFF) AND USED LOCTITE ON BOLTS. *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