2018 BMW I3 Fuel system Problems
- Complaints
- 3about this part
- Share
- 21%of 14 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2018 BMW I3, 21% of the 14 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“On May 2, 2022, the car began to power down involuntarily every time I applied the brakes. This happened 2-3 times, and I was able to restart. The final time was in the middle of an intersection, the car would not restart, could not be placed in neutral to be moved out of the intersection, and I had to have a police tow. The tow service took it to Sport Motoring, where they performed a diagnosis on May 3, 2022. The diagnosis shows 8 faults in the EME module, among other things. …”
NHTSA complaint #11464231, filed 2022-05“After reviewing BMW’s warranty documentation, I believe that the part replaced — specifically the evaporative emissions (EVAP) valve or purge valve AND vapor canister (active charcoal canister) — should be covered under the California Extended Emissions Warranty (TZEV) for my 2018 BMW i3 with Range Extender. According to BMW’s California Emissions Warranty documentation (pages 14), the Evaporative Canister / Active Charcoal Filter is explicitly listed as a covered component under the Extended Emissions Warranty applicable to BMW i3 Range Extender vehicles in California. …”
NHTSA complaint #11745052, filed 2026-06“This isn't a safety issue, rather it's a known problem with the factory AC compressor inside of BMW i3s and i8s that seem to constantly fail. I had a replacement under the car's factory warranty and the part already failed again right outside the part's warranty period. The replacement itself was quoted as a little over $9,000 but the dealership has since gone down to just under $4,000 to replace something that's just 2 months outside of warranty (but is probably something that would have failed an inspection had I just taken it in earlier). …”
NHTSA complaint #11604373, filed 2024-07Related service bulletins
- 10214256Feb 1, 2022The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.
- 10205606Nov 1, 2021For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Fuel Injectors to: 15 years/150,000 miles as determined by the…
- 10174028Apr 1, 2020AIR CONDITIONING DOES NOT COOL: The air conditioning no longer cools the vehicle. A vehicle test reveals one or both of the following faults stored in the IHX_I1 Control Module…
- 10174008Apr 1, 2020SPORADIC REDUCTION OF STEERING ASSISTANCE: This Service Information Bulletin (Revision 1) replaces SI B32 11 19 dated October 2019. The driver notices a reduction of steering…
- 10153745Jan 1, 2019SERVICE ACTION: REPLACE THE FUEL TANK PRESSURETEMPERATURE SENSOR. The internal sealing of the fuel tank pressure-temperature sensor may fail.
- 10149484Oct 1, 2018SERVICE ACTION. REPLACE THE FUEL TANK PRESSURETEMPERATURE SENSOR. The internal sealing of the fuel tank pressure-temperature sensor may fail. As a result, the sensor may read an…
- 10150962Jan 1, 2017?SERVICE ENGINE SOON (MIL) light comes on. Replace oxygen sensor before catalytic converter and injectors.
Fuel system: other model years
Other parts of the 2018 BMW I3
3 complaintsBody and structure
3 complaintsVehicle speed control
3 complaintsAir bags
1 complaintsElectrical system
1 complaintsForward collision avoidance
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 BMW I3
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology