# Service bulletin B640819

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.

- Type: Service bulletin
- NHTSA id: 10165265
- Published by NHTSA: 2019\-09\-23
- Manufacturer's number: B640819
- Manufacturer's date: 2019\-08\-01
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT

## NHTSA's summary

STATIONARY VENTILATION WILL NOT ACTIVATE AFTER PARKING. Activation of stationary ventilation is not possible after parking the vehicle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165265-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165265-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- 2019 BMW 330I
- 2017 BMW 740E
- 2017 BMW 740I
- 2016 to 2017 BMW 740LI
- 2016 to 2017 BMW 750LI
- 2017 BMW M760I
- 2019 BMW M850I
- 2019 BMW X5
- 2019 BMW X7

## Recalls for the same vehicles and component

- [18V918000](/recalls/nhtsa/18V918000.md), 2018-12-19: EQUIPMENT:OTHER:LABELS

## Other bulletins for the same vehicles and component

- [B612723](/bulletins/10252023.md), 2024-04-01, Service bulletin: EQUIPMENT. The original Conditioned Based Service \(CBS\) Key data point closed with 23\-07 soft ware, all CBS systems are now collectively under analysis.
- [B511520](/bulletins/10252016.md), 2024-04-01, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Deactivated: Currently investigating other components that maybe playing a factors besides what is mentioned in the SIB. Topic is under investigation.
- [B640422](/bulletins/10250374.md), 2024-03-02, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. An interference noise \(groaning noise\) can be heard from within the heating and air\-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the recirculated airflap moves to a different position. Due to the complex design of the heating and air\-conditioning unit, the kinematics causing it \(top or bottom,left or right\) may not be able to be precisely located. Depending on the vehicle model, the number of servomotors \(and the associated kinematics unit\) varies.Various models use either 2 or 3 servomotors.
- [B610524](/bulletins/10249032.md), 2024-02-01, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. The Central Information Display goes black intermittently due to resets of the Head Unit \(HU\-H3\). FaultB7F8F9 â“ âHU\-H: Resetâ will be stored in the HU\-H3.
- [B541319](/bulletins/10249025.md), 2024-02-01, Service bulletin: EQUIPMENT. The roller sunshade \(aka sun protection or sunblind\) of the front panoramic sunroof is bunching up during operation or may hang down and appear loose.
- [B653423](/bulletins/10245422.md), 2023-12-06, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. 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.
- [B661523](/bulletins/10245420.md), 2023-12-06, Service bulletin: EQUIPMENT. Emergency Stop Assistant is activated. Thisicon will appear in the CID when this function is activated.
- [B612723](/bulletins/10245377.md), 2023-12-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. 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.
- [B652823](/bulletins/10242874.md), 2023-10-01, Service bulletin: EQUIPMENT. Customers may be experiencing one or more of these following issues with Bluetooth operation: Bluetooth cannot be switched on or off in the head unit \(HU\-H4\) Paired mobile devices cannot be deleted Customer is unable to make phone calls or stream music with mobile device Customer is unable to connect a new mobile device via Bluetooth Mobile device does not automatically reconnect via Bluetooth in the next drive cycle \(after short sleep cycle\)
- [B650222](/bulletins/10242530.md), 2023-09-18, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR:MODULE \(ACCM\). A check control message \(CCM\) for the restraint system \(Air bag\) appears.

JSON: [/v1/bulletins/10165265](/v1/bulletins/10165265)

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