Service bulletins for the 2018 BMW i3
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
143 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Engine are shown. Show all
| B010525 | 2026-05-18. Warranty extension. ENGINE. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date. |
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| B010524 | 2024-05-03. Service bulletin. ENGINE AND ENGINE COOLING. For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that apply to the BMW New Vehicle Limited Warranty. Vehicles that are registered in California or a State that has fully adopted the State of California PZEV(SULEV) / TZEV emission regulations (As applicable, State of registration, model, and model year dependent), the emission-relevant coverage for this component is 15 years / 150,000 miles. |
| B170121 | 2022-06-21. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. The 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. |
| B012021 | 2021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM; ELECTRICAL SYSTEM. For 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 vehicle's original in-service date. |
| B640621 | 2021-12-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL. Different air temperatures are felt from left to right out of the front fresh air grilles (air vents). |
| B010321 | 2021-02-22. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. I3 REX FRONT (UPSTREAM) OXYGEN SENSOR: If a vehicle listed above arrives with engine malfunction indicator (Check Engine) warning light on, performing a Vehicle Test. |
| B120920 | 2020-10-19. Service bulletin. ENGINE AND ENGINE COOLING. I01 REX MISFIRES AT HIGH ALTITUDES USING WINTER-BLEND FUEL: The check engine light (MIL) is displayed, and in some cases the range extender (REx) engine will run rough for about 1 to 2 seconds during cold start. |
| B130420 | 2020-06-15. Service bulletin. ENGINE AND ENGINE COOLING. TANK VENTILATION AND MIXTURE CONTROL FAULTS STORED IN THE DME: The Engine Malfunction Warning is illuminated and one or more of the following faults are stored in the DME. All models: FC 191C02 - Fuel tank ventilation system 2nd discharge point: malfunction FC 195014 - Differential pressure sensor tank vent valve signal: fixed FC 118001 - Mixture control: mixture too lean FC 118401 - Mixture control: mixture too lean large deviation I01 only: FC 124103 - Mixture control: mixture too lean FC 124101 - Mixture control: Mixture lean large deviation CAUSE Internal mechanical defect in the tank ventilation valve. The defect can also result in a very loud clicking noise when the valve is cycling. |
| B610520 | 2020-04-20. Service bulletin. ENGINE. CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: This Service Information Bulletin (Revision 1) replaces SI B61 05 20 dated February 2020. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagnosis test plan identifies the Controller as the root cause of the CCM. The Controller delays the vehicle going to sleep by up to 6 minutes. In some cases this will cause the CCM 415 to be displayed when starting the vehicle. Replacing the Controller in this case will not correct this situation. |
| B220415 | 2018-12-10. Service bulletin. ENGINE; EQUIPMENT; TRACTION CONTROL SYSTEM. A sudden loss of traction while accelerating sharply may damage the engine mounts. |
| B220115 | 2018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. This Service Information bulletin supersedes SI B22 01 15 dated November 2015. designates changes to this revision SUBJECT Left Side Engine Mount Broken. The left side motor mount or motor mount support has failed. As a result, the electric drivetrain moves excessively in the chassis. A banging noise can be heard from the rear of the vehicle during load reversals. In addition, the vehicle may experience a Drivetrain Malfunction CCM or other electrical drivetrain failures. NOTE: If this failure is present, the vehicle should not be driven, as additional consequential damage could result. CAUSE The motor mount or motor mount support is damaged due to excessive shock to the driveline, such as a sudden loss of traction or underbody impact, during acceleration. |
| B180116 | 2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; EQUIPMENT ADAPTIVE/MOBILITY. SUBJECT Correct Installation of W20 Catalytic Converter. Metallic noise from rear of vehicle equipped with a range extender. Improperly installed decoupling element allows contact with the heat shield. This may have been the result of a missing or obscured blue mark on the rear silencer support which is meant to indicate how far to push the decoupling element onto the support. This issue is not present from the factory, and is only introduced after previous repairs. |
| B121215 | 2018-12-10. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SI B12 12 15 Engine Electrical Systems February 2016 Technical Service This Service Information bulletin supersedes SI B12 12 15 dated February 2016. SUBJECT Service Engine Soon (MIL): EME FC CF948C. The Service Engine Soon light (MIL) is intermittently illuminated in the instrument cluster (Kombi). This does not affect drivability, and no symptoms are apparent to the customer. CAUSE Electrical Machine Electronics (EME) software. |
| B122916 | 2018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON (MIL) - RDME FC 124301/124302. Malfunction indicator light illuminated. Fuel-air mixture error codes in the range extender digital motor electronics (RDME). Possible hardware defect of: The oxygen sensor before catalytic converter. |
| B611018 | 2018-10-09. Service bulletin. ENGINE AND ENGINE COOLING. THE DISPLAY GOES BLACK, VEHICLE DOESNT START AGAIN AFTER SWITCHING THE ENGINE OFF.: On board computer and navigation system goes black or resets. |
| B120118 | 2018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. EME FAULTS CANNOT BE READ IN ISTA: While diagnosing faults with in the EME, no fault details will appear and no relevant test plans will be linked. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.