WenmarOpen by Wenmar Pro

Service bulletin B120418

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 id10145283
Published by NHTSA2018-10-09
Manufacturer's numberB120418
Manufacturer's date2018-07-01
NHTSA componentENGINE; ENGINE AND ENGINE COOLING

NHTSA's summary

BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE OR AFTER ENGINE OPERATION: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.

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 228I2014, 2015, 2016
BMW 230I2017, 2018
BMW 320I2012
BMW 320I2013, 2014, 2015, 2016, 2017, 2018
BMW 328D2014, 2015, 2016, 2017, 2018
BMW 328I2012, 2013, 2014, 2015, 2016
BMW 330E2016, 2017, 2018
BMW 330I2017, 2018
BMW 335I2012, 2013, 2014, 2015, 2016
BMW 340I2016, 2017, 2018
BMW 428I2014, 2015, 2016
BMW 430I2017, 2018
BMW 435I2014, 2015, 2016
BMW 440I2017, 2018
BMW 530E2018
BMW 530I2017, 2018
BMW 540D2018
BMW 540I2017, 2018
BMW 740LE2017 to 2018
BMW M235I2014, 2015, 2016
BMW M240I2017, 2018
BMW M550I2018
BMW X12016, 2017, 2018
BMW X1 SAV2016 to 2017

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

Recalls for the same vehicles and component
20255602025-10-15. Engine
25V7000002025-10-15. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
20244682024-08-13. Engine
24V6080002024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
24V5880002024-08-08. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
23V7070002023-10-20. ENGINE AND ENGINE COOLING:ENGINE
22V6140002022-08-10. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
20220952022-03-02. Engine
22V1190002022-03-02. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
20217112021-11-19. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B0109212026-08-03. Warranty extension. The NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
B0102242026-08-03. Warranty extension. 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.
B0113252026-05-18. Warranty extension. 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.
B0103242026-05-18. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
B0102242026-05-18. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
B0626262026-05-01. Other. Inlet Hose Return
B0616262026-02-25. Other. Double Pipe Return
B0114252025-10-09. Warranty extension. 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.
B0113252025-10-09. Warranty extension. 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.
B0101252025-09-06. Warranty extension. The Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery date.