WenmarOpen by Wenmar Pro

Service bulletin B121618

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)
TypeService bulletin
NHTSA id10145284
Published by NHTSA2018-10-09
Manufacturer's numberB121618
Manufacturer's date2018-07-01
NHTSA componentENGINE

NHTSA's summary

ENGINE OIL CBS DATA WILL NOT RESET: Service Interval Indicator (SIA) for the engine oil Condition Based Service (CBS) cannot be reset or corrected via the instrument cluster or diagnostic tester.

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 I82014, 2015, 2016, 2017

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
B0109242024-12-02. Warranty extension. The High-Voltage (HV) Battery AssemblysCell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty fordefects in materials or workmanship has been extended to 10 years / 120,000 miles asdetermined from the original in-service/first delivery date.
B0101242024-05-03. Service bulletin. For the eligible vehicles and for the issue described below, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle’s Evaporative Emission Control (EVAP) System’s Purge Valve to: 10 years/120,000 miles as determined by the vehicle’s original in-service date. This component-specific extended limited warranty (ELW) applies to defects in materials or workmanship.
TEC262022-08-01. Service bulletin. TEC26 Turbo Charger Return
SIM1101152022-08-01. Service bulletin. MINI engine oil part number transition and model year 2016 engine oils
B1701212022-06-21. Service bulletin. 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.
B1304202020-06-15. 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.
B6105202020-04-20. 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.
B1223192019-08-19. 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.
B1214192019-06-24. 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.
B1107172019-06-24. 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.