NHTSA Complaint #11577529 — 2016 BMW X4

The contact owns a 2016 BMW X4. The contact stated that while driving at various speeds, an abnormal popping noise was coming from vehicle while driving over a speed bump or while turning the steering wheel in either direction. The contact stated that no warning lights were illuminated. The vehicle was taken to an independent mechanic where a diagnostic test was performed; the diagnostic test showed that the control arm was defective. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 89,000.