Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
140–25K
625–50K
250–75K
075–100K
0100–150K
0150K+
22 reports with mileage · 0 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Power Train. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Fuel/propulsion System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
1 crash reports1 fire reports0 injury reports
What owners actually said
22 reports
100 miles · Aug 16, 2014
EngineFuel/propulsion SystemPower Train
I WAS DRIVING MY BMW I3 REX FROM THE SAN FRANCISCO BAY AREA TO THE BEACH NEAR SANTA CRUZ VIA HIGHWAY 17 WITH MY WIFE AND TWO CHILDREN. GETTING TO THE BEACH FROM MOST OF THE SF BAY AREA REQUIRES DRIVING OVER SOME COASTAL HILLS. AS I APPROACHED THE HILLS, MY EV BATTERY WAS VERY LOW. THE I3 WITH "REX" (SIMILAR TO THE CHEVY VOLT…
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I WAS DRIVING MY BMW I3 REX FROM THE SAN FRANCISCO BAY AREA TO THE BEACH NEAR SANTA CRUZ VIA HIGHWAY 17 WITH MY WIFE AND TWO CHILDREN. GETTING TO THE BEACH FROM MOST OF THE SF BAY AREA REQUIRES DRIVING OVER SOME COASTAL HILLS. AS I APPROACHED THE HILLS, MY EV BATTERY WAS VERY LOW. THE I3 WITH "REX" (SIMILAR TO THE CHEVY VOLT) HAS A GASOLINE ENGINE THAT ACTIVATES WHEN THE MAIN EV BATTERY IS DEPLETED. IN THESE HILLS, THE REX ENGINE TURNED ON. FOR SEVERAL MINUTES, THE CAR DROVE NORMALLY AND KEPT PACE WITH MODERATE TRAFFIC IN THE SLOW LANE. THE SPEED LIMIT ON HIGHWAY 17 VARIES FROM 50MPH TO 65MPH. ON THE HILLY PARTS, IT IS A TWO LANE HIGHWAY WITH NO SHOULDER ON EITHER SIDE, INFREQUENT EXITS AND OCCASIONAL TURN-OUTS. WITHOUT ANY WARNING FROM THE CAR, I EXPERIENCED A SUDDEN AND DRAMATIC REDUCTION IN POWER, WITH THE CAR SLOWING FROM APPROXIMATELY 50MPH TO 25MPH EVEN UNDER FULL THROTTLE. I TURNED ON MY HAZARD BLINKERS AS APPROACHING CARS HONKED AND SWERVED TO AVOID US. WITH NO SHOULDERS, WE HAD TO "LIMP" TO THE NEXT TURNOUT. THIS WAS EXTREMELY ALARMING AND POTENTIALLY DANGEROUS. WE REALIZED THAT ENGINE WAS RUNNING LOUDLY AND WE SURMISED THAT IT WAS RECHARGING THE BATTERY. AFTER A COUPLE OF MINUTES, I CONFIRMED THAT POWER WAS RESTORED BY BRIEFLY ACCELERATING IN THE LONG TURN-OUT. I THEN ATTEMPTED TO MERGE BACK ONTO THE HIGHWAY. ALTHOUGH FULL POWER SEEMED AVAILABLE INITIALLY, AS I PULLED OUT OF THE TURN-OUT INTO THE SLOW LANE, THE POWER DROPPED AGAIN, SLOWING US FROM 40MPH BACK TO 25MPH. WE AGAIN LIMPED TO THE NEXT TURN-OUT AS CARS AVOIDED US. MOST SHOCKING OF ALL, I SPOKE WITH BMW'S INTERNAL "I CONCIERGE" PRODUCT TEAM WHO INFORMED ME THAT THIS WAS NORMAL OPERATION FOR THIS VEHICLE. I LEARNED THAT THE I3 HAS A SPECIAL MODE TO SAFELY DEAL WITH HILLS, BUT THIS WAS REMOVED FROM THE US CAR IN ORDER TO MAXIMIZE CALIFORNIA "CREDITS." MONEY TRUMPS SAFETY.
NHTSA ODI #10625717
1,200 miles · Jun 28, 2014
Electrical SystemEngineFuel/propulsion System
DRIVING ON INTERSTATE 5 IN ENCINITAS, THE I3 SHOWED AN ELECTRICAL ERROR. WITHIN A FEW MINUTES, I GET A SLEW OF ERRORS, BATTERY CAN'T CHARGE, DISCHARGE AT HIGH RATE, DRIVE TRAIN MALFUNCTION....UNTIL IT SAID IDRIVE SYSTEM SHUTTING DOWN... *TR I WAS BARELY ABLE TO GET THE CAR TO THE SIDE OF THE FREEWAY BEFORE ALL SYSTEMS SHUT …
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DRIVING ON INTERSTATE 5 IN ENCINITAS, THE I3 SHOWED AN ELECTRICAL ERROR. WITHIN A FEW MINUTES, I GET A SLEW OF ERRORS, BATTERY CAN'T CHARGE, DISCHARGE AT HIGH RATE, DRIVE TRAIN MALFUNCTION....UNTIL IT SAID IDRIVE SYSTEM SHUTTING DOWN... *TR I WAS BARELY ABLE TO GET THE CAR TO THE SIDE OF THE FREEWAY BEFORE ALL SYSTEMS SHUT DOWN COMPLETELY. 5 MINUTES LATER, THE CAR STARTED, AND I WAS ABLE TO TAKE IT THE DEALER. THE CAR HAS BEEN AT THE DEALER BEING DIAGNOSED SINCE (APPROXIMATELY 2 WEEKS). THEY HAVE REPLACED THE 12V BATTERY AND THE EME.
NHTSA ODI #10606720
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2014 BMW I3 Rex Problems, Complaints & Recalls | Skip That Year