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Service bulletin B180118

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 id10136336
Published by NHTSA2018-05-07
Manufacturer's numberB180118
Manufacturer's date2018-03-01
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

DIAGNOSING NOISE FROM THE REAR EXHAUST FLAP (B58): There is a rattling noise from the rear exhaust flap during initial start-up.

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, Equipment and accessories, Exhaust and emissions

Vehicles listed
BMW 340I2016, 2017
BMW 440I2017, 2018
BMW M240I2017, 2018

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

Recalls for the same vehicles and component
20244682024-08-13. Engine
20217112021-11-19. Engine
20185872018-10-26. Engine
18V4650002018-07-11. ENGINE AND ENGINE COOLING: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
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.
B0114232023-12-06. Service bulletin. PRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES
B0109192023-12-06. Service bulletin. DIESEL FUEL INJECTORS: LTD WTY EXTENSION TO 10 YEARS/120,000 MILES
B8408222023-05-01. Service bulletin. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services (Concierge Call, BMW Assistance, and emergency call voice) can no longer be used regionally in the US in vehicle with telematics control units ATM-1 and TCB-4G. Voice control of the vehicle and all other telephone (paired mobile devices) functions are not affected. Emergency call location data is unaffected.
TEC262022-08-01. Service bulletin. TEC26 Turbo Charger Return
TEC242022-08-01. Service bulletin. Tech24 Snap-in Adapter Return
SIM1101152022-08-01. Service bulletin. MINI engine oil part number transition and model year 2016 engine oils
SIM0106032022-08-01. Service bulletin. MINI "Enhanced" dealer self authorized (DSA)K goodwill program
SIB0119182022-07-18. Service bulletin. Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx) Sensor(s) to: 10 years/120,000 miles as determined by the vehicle original in-service date.
SISIB0113172022-07-05. Service bulletin. Shipping specific non-deployed vehicle safety devices to lighting resources, LLC