2014 BMW I3 RexRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 22 owner complaints for the 2014 BMW I3 Rex. Most complaints involve power train (11) and engine (7). The EPA rates it 39 mpg combined.
Safety recalls
Owner complaints by component
- Power train11
- Engine7
- Fuel/propulsion system6
- Electrical system5
- Steering3
- Vehicle speed control3
- Electronic stability control (esc)2
- Seat belts2
- Wheels1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Complaints for each I3 Rex model year we’ve synced.
Only one model year synced so far.
- Crashes reported
- 1
- Fires reported
- 1
- Injuries reported
- 0
- Deaths reported
- 0
What owners report most
Power train
“THE CAR, WHILE DRIVING ON A 2 LANE ROAD, CEASED IT OPERATION ANNOUNCING IT HAD DRIVE TRAIN FAILURE. LUCKILY I WAS SLOWING FOR A LIGHT, AS THE STEERING AND BRAKES ALSO BECAME UNRESPONSIVE. THE CAR COULD BE MANUALLY TURNED OFF (THE REMAINING FUNCTIONS AND POWER OFF). IT THEN COULD BE TURNED BACK ON AND DRIVEN. IN OTHER WORDS, THE CAR DECIDED TO GO OFF LINE WHILE IN A STATE OF ENGAGEMENT WITH THE ROAD AND THE DRIVER.”
Engine
“THE REX (RANGE EXTENDER) ON MY I3 DOES NOT TURN ON, AT RANDOM, WHEN THE BATTERY LEVEL OF THE VEHICLE GETS TO A POINT THAT IS LOW ENOUGH FOR IT TO TURN ON. WHEN THIS HAPPENS, THE VEHICLE EXPERIENCES A SUDDEN AND VIOLENT LOSS OF SPEED WITH NO WARNING. THIS HAS, ON MORE THAN ONE OCCASION, NEARLY CAUSED AN ACCIDENT WHILE IN TRAFFIC. THE BMW DEALERSHIP HAS CONFIRMED THIS IS AN ISSUE IN MY VEHICLE AND HAS SUCCESSFULLY BEEN ABLE TO REPRODUCE IT ON MORE THAN ONE OCCASION. IT HAS BEEN 'FIXED' ON MORE THAN ONE OCCASION AS WELL. THE VEHICLE STILL EXPERIENCES THIS ISSUE INTERMITTENTLY WITH NO WARNING. THE DEALERSHIP IS NO LONGER ABLE TO REPRODUCE THIS ISSUE WHEN TAKEN IN FOR SERVICE. THE DEALERSHIP HAS NOW TAKEN A STANCE THAT THE VEHICLE VIOLENTLY LOSING POWER AND SPEED (AS IF THE BRAKES HAVE BEEN APPLIED HEAVILY) IS "OPERATION NORMALLY FOR CONDITIONS" AND "NO ACTIONS TAKEN" AND ADVICE THAT THIS IS AN ACCEPTABLE AND KNOWN AND HAVE "ADVISED CUSTOMER OF LIMITATION OF DRIVING ON THE REX WITH TOO MANY CUSTOMER DEMANDS..." THE VEHICLE HAS EXPERIENCED THE REX NOT TURNING ON AND LOSING POWER WHILE IN MOTION AND ON THE HIGHWAY AND SURFACE / LIGHT COMMERCIAL STREETS AT ALL LEVELS…”
Fuel/propulsion system
“I TEST DROVE A BMW I3. I GOT INTO TROUBLE BECAUSE THEY FORGOT TO CHARGE IT UP COMPLETELY WHEN I DROVE IT. ALMOST DIED. CONSUMER REPORTS DESCRIBES IT ALL BETTER THAN I CAN: "A NEW LAWSUIT ALLEGES THAT BMW I3 ELECTRIC CARS CAN SUDDENLY SLOW DOWN WHEN THEIR BATTERY POWER IS LOW, POTENTIALLY PUTTING PASSENGERS IN DANGEROUS SITUATIONS. FILED TUESDAY IN U.S. DISTRICT COURT IN LOS ANGELES, THE CLASS-ACTION SUIT ALLEGES THAT THE I3'S 'RANGE EXTENDER FEATURE ... DOESN'T PRODUCE ENOUGH POWER TO PREVENT A DRAMATIC DECREASE IN THE VEHICLE'S PERFORMANCE. AS ALLEGED, IF THE CAR IS UNDER ANY KIND OF SIGNIFICANT LOAD (SUCH AS GOING UP A HILL, OR LOADED WITH PASSENGERS), THE SPEED OF THE CAR WILL DRAMATICALLY DECREASE AS THE BATTERY CHARGE DIMINISHES,' ACCORDING TO A PRESS RELEASE FROM PLAINTIFF ATTORNEY JONATHAN MICHAELS OF NEWPORT BEACH, CALIF." -- CONSUMER REPORTS MAGAZINE REPORTS.”
Engines, transmissions & drive
- EPA class
- Subcompact Cars
- Engines
- 0.6L 2-cyl plug-in hybrid
- Transmissions
- Automatic (A1)
- Drive
- Rear-Wheel Drive
- Fuel
- Premium Gasoline
- EV range
- 150 mi (EPA)
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
EPA fuel economy by version
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| i3 REX Auto (A1), 2 cyl, 0.6 L · Rear-Wheel Drive | 41 | 37 | 39 | $2,050 | 40 |
- 39mpg comb.
NHTSA 5-Star Safety Ratings
Maintenance basics
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
2014 I3 Rex questions
How many recalls does the 2014 BMW I3 Rex have?
0 recalls found in NHTSA data as of Oct 27, 2026.
What are the most common 2014 BMW I3 Rex problems?
Owners filed 22 complaints with NHTSA. The most-cited components are power train (11), engine (7), fuel/propulsion system (6). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
What MPG does the 2014 BMW I3 Rex get?
The EPA rates the 2014 BMW I3 Rex at 39 mpg combined, depending on engine and drivetrain (1 version rated).