2021 BMW 540I Electrical System12v24v48v Battery Problems
1 NHTSA complaint on file
Electrical System12v24v48v Battery Issues in the 2021 BMW 540I
1 electrical system12v24v48v battery complaint has been filed with NHTSA for the 2021 BMW 540I. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
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Complaints
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Crashes
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Fires
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Injuries
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Deaths
All Electrical System12v24v48v Battery Complaints
2021 BMW 540I. CONSUMER WRITES IN REGARDS TO MULTIPLE DEFECTS DUE TO BATTERY MANAGEMENT ISSUE. THE CONSUMER STATED THE VEHICLE HAS EXPERIENCED MULITPLE OCCASIONS OF FAILURES WITH THE BREAKING SYSTEM. THE DRIVER HAD TO PRESS THE PEDAL TO THE FLOOR IN ORDER TO STOP THE VEHICLE. THE EMERGENCY BRAKING SYSTEM ENGAGED WITHOUT WARNING, THE AUTOSTART ENGAGED INDEPENDTLY, AND LIGHTING/SPEAKER/SUNROOF MALFUNCTION.