# Service bulletin B640620

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: 10186229
- Published by NHTSA: 2021\-02\-01
- Manufacturer's number: B640620
- Manufacturer's date: 2020\-12\-01
- NHTSA component: STRUCTURE:INTERIOR PANELS:DASHBOARD; ELECTRICAL SYSTEM; EQUIPMENT

## NHTSA's summary

?FIZZING / GURGLING NOISES FROM CENTER VENT IN DASHBOARD: The Air Conditioning system is cooling the vehicle interior. The customer hears a fizzing / gurgling noise coming from the center ventilation grille in the vehicle interior.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10186229-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10186229-9999.pdf)

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

## Components

Body and frame, Electrical system, Equipment and accessories

## Vehicles listed

- 2020 to 2021 BMW 228I
- 2020 to 2021 BMW M235I

## Recalls for the same vehicles and component

- [23V584000](/recalls/nhtsa/23V584000.md), 2023-08-16: ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS

## Other bulletins for the same vehicles and component

- [B640416](/bulletins/10249435.md), 2024-02-01, Service bulletin: STRUCTURE. Customer complains of a musty odor or damp front footwell carpet.
- [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.
- [B611305](/bulletins/10249027.md), 2024-02-01, Service bulletin: ELECTRICAL SYSTEM. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
- [B513218](/bulletins/10245372.md), 2023-12-06, Service bulletin: STRUCTURE. The paint finish on the door jamb \(above the door striker\) is scratched due to the inner door cavity window seal.
- [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 \(after short sleep cycle\)
- [B630821](/bulletins/10239611.md), 2023-07-24, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlight check control \(CC\) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A \- Left high\-beam headlight: Short circuit and/or 8041A5 \- light outputs: Number of permitted short circuit cycles exceeded
- [B120323](/bulletins/10239601.md), 2023-07-24, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BMW AG has issued a Delivery Stop effective June 6, 2023 on certain Model Year 2023 \- 2024 BMW vehicles that were produced between October 26, 2022 and May 8, 2023.
- [B090221](/bulletins/10239599.md), 2023-07-24, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. With the introduction of the BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionality or modifications in their features.
- [B514616](/bulletins/10238081.md), 2023-06-26, Service bulletin: STRUCTURE:BODY:TAILGATE. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
- [SIB660823](/bulletins/10236236.md), 2023-05-15, Service bulletin: ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Issues with the various functions of the camera\-based driver assistance systems \(KAFAS system\) can possibly lead to following customer complaints: KAFAS camera system deactivates itself, due to system restrictions that are not clear to the customer KAFAS camera system cannot be activated due to system restrictions that are not clear to the customer Road signs are sporadically not detected.

JSON: [/v1/bulletins/10186229](/v1/bulletins/10186229)

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