# Service bulletin B720120

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: 10172509
- Published by NHTSA: 2020\-03\-16
- Manufacturer's number: B720120
- Manufacturer's date: 2020\-02\-01
- NHTSA component: STRUCTURE

## NHTSA's summary

JINGLING NOISE HEARD FROM PASSENGER B\-PILLAR WHEN DRIVING ON ROUGH ROADS. A "jingling" noise can be heard coming from the area of the passenger B\-pillar when driving on rough roads. On uneven road surfaces the passenger safety belt \(aka "seat belt"\) inertia reel can be vibrated in its natural frequency range causing the jingling noise.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172509-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172509-9999.pdf)

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

## Components

Body and frame

## Vehicles listed

- 2020 BMW 840I
- 2020 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 BMW M850I
- 2019 BMW M850XI

## Other bulletins for the same vehicles and component

- [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.
- [B540521](/bulletins/10242698.md), 2023-09-25, Service bulletin: STRUCTURE:BODY:ROOF AND PILLARS; VISIBILITY:SUN/MOON ROOF ASSEMBLY. ?The sunroof will not operate in either direction.
- [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.
- [B240222](/bulletins/10230725.md), 2023-01-30, Service bulletin: STRUCTURE. A cracking, metallic noise from under the center of the vehicle.
- [B612219](/bulletins/10206686.md), 2022-01-24, Service bulletin: EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:DOOR. The customer states that the vehicle locks itself when the last door was closed, even though the remote control/display key was inside the vehicle.
- [B611120](/bulletins/10186221.md), 2021-02-01, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; STRUCTURE:BODY:DOOR; EQUIPMENT ADAPTIVE/MOBILITY. WHEN LOCKING VEHICLE, DOORS ARE LOCKED BUT VEHICLE IS NOT SECURED: The customer complains that when locking the vehicle from the outside using the remote control: The doors lock The alarm system is not activated The side mirrors \(when the function is activated\) do not fold in.
- [B513218](/bulletins/10184578.md), 2020-12-21, Service bulletin: STRUCTURE:BODY:DOOR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. PAINT ON THE B\-PILLAR IS SCRATCHED/DAMAGED: The paint finish of the door jamb \(above the door striker\) is scratched due to the inner door cavity window seal.
- [B512720](/bulletins/10184577.md), 2020-12-21, Service bulletin: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; STRUCTURE:BODY. FUEL FILLER DOOR WILL NOT OPEN: The fuel filler door \(aka flap\) will not open. In rare cases, if the vehicle is locked using the remote control key and the fuel filler door is pushed closed simultaneously, the fuel door can enter a locked state that cannot be unlocked.
- [B511219](/bulletins/10181225.md), 2020-10-19, Service bulletin: STRUCTURE. KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL \(Malfunction Indicator Lamp\) may be illuminated.

JSON: [/v1/bulletins/10172509](/v1/bulletins/10172509)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20B720120&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10172509&vehicle=Service%20bulletin%20B720120)
