Service bulletin 123214

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10149352
Published by NHTSA	2018-11-26
Manufacturer's number	123214
Manufacturer's date	2014-10-01
NHTSA component	ENGINE AND ENGINE COOLING

NHTSA's summary

Service Engine Soon (MIL) Lamp Illuminated with No Relevant Faults. INFORMATION If an i3 or i8 is brought in for service with a Service Engine Soon (MIL) lamp illuminated, or with a customer concern that the MIL is intermittently illuminated, troubleshoot with ISTA/D. If these diagnostics do not lead to a root cause and a solution, do the following: Do not clear faults with ISTA/D. Use an aftermarket OBD scan tool to read out any P-codes that are present. Record any and all P-codes. Submit a TC PuMA case entitled Check Engine Light - No Relevant Faults to either "BMW i3 Powertrain Components" or "i8 Powertrain Components." The P-code and diagnosis summary should also be included.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
BMW I3	2014, 2015
BMW I8	2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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B012021	2021-12-27. Service bulletin. 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. Different air temperatures are felt from left to right out of the front fresh air grilles (air vents).
B010321	2021-02-22. Service bulletin. 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. 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. 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. 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.
B122319	2019-08-19. Service bulletin. DIAGNOSTIC HINT: CATALYTIC CONVERTER INSPECTION AFTER LOSS OF CRANKSHAFT SIGNAL. In certain situations when the crankshaft position signal is lost while driving the malfunction indicator lamp (MIL) and an engine malfunction check control message (CCM #29) may be displayed. The engine may run roughly or with reduced power.
B121419	2019-06-24. Service bulletin. The fault memory lock in Digital Motor Electronics (DME) control unit was not activated. An activated lock would prevent the manual deletion of permanent fault codes. The DME fault memory lock has not been set.
B110717	2019-06-24. Service bulletin. FAULT 118002 - MIXTURE TOO RICH SETS DURING WINTER WITH COLD AMBIENT TEMPERATURES. The Service Engine Soon (MIL) light is on with the following fault stored in the Digital Motor Electronics (DME). In the situation being described the fault is primarily stored during the cold winter months along with the use of winter fuel.