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Service bulletin B640215

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 id10147150
Published by NHTSA2018-11-05
Manufacturer's numberB640215
Manufacturer's date2015-05-01
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

A/C Makes Unusual Whistling Noise from Center Vents. An unusual whistling noise can be heard coming from the center vent area for approximately15 seconds after the A/C is switched on. CAUSE Evaporator in the A/C system

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
BMW X52014, 2015, 2016
BMW X62015, 2016

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
B6534232023-12-06. Service bulletin. Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicle’s equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is noticeable. Additionally, the red anti-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed.
B6127232023-12-06. Service bulletin. When using the Key Reader to retrieve CBS information from the customer key, no current vehicle data is available, or the data does not match the maintenance schedule.
B0101222023-06-26. Service bulletin. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Isley, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC. The Settlement Benefits are effective and available on and after February 9, 2022. Note: This bulletin is a notice of a Class Action Settlement Service Campaign benefits that are now available.
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.
B0101222023-01-30. Service bulletin. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Isley, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
B6624192022-10-31. Service bulletin. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
SIB6624192022-08-22. Service bulletin. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected.
SIB6408212022-08-22. Service bulletin. The air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F +) without changing any climate control settings. In some cases the air conditioning may have stopped blowing cold air altogether.
SIB5112222022-08-22. Service bulletin. The following LIN faults for electric door sunshade may be present in the BDC fault memory. D90D81-Sunblind rear driver (LIN): Missing LIN-slave D90D84-Sunblind rear passenger (LIN): Missing LIN-slave 8049B2-Sunblind rear driver (LIN): Line interruption 8049B6-Sunblind rear passenger (LIN): Line interruption 8049B3-Sunblind rear driver (LIN): Button jammed 8049B7-Sunblind rear passenger (LIN): Button jammed Possible misuse of the electric door sunshade(s).
TEC242022-08-01. Service bulletin. Tech24 Snap-in Adapter Return