# Service bulletin B340714

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: 10244237
- Published by NHTSA: 2023\-11\-01
- Manufacturer's number: B340714
- Manufacturer's date: 2023\-10\-13
- NHTSA component: SERVICE BRAKES, HYDRAULIC

## NHTSA's summary

Functional noises \(squealing/honking\) when braking shortly before the vehicle comes to a stop. CAUSE Material\-

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244237-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244237-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2023 BMW M 1000 R
- 2021 to 2022 BMW M 1000 RR
- BMW M COUPE
- 1998 to 2002 BMW M COUPE
- BMW M ROADSTER
- 1998 to 2002 BMW M ROADSTER
- 2006 to 2008 BMW M ROADSTER
- BMW M1
- 2016 to 2023 BMW M2
- 2014 to 2016 BMW M235I
- 2017 BMW M235I
- 2020 to 2023 BMW M235I
- 2017 to 2023 BMW M240I
- BMW M3
- 1988 to 1991 BMW M3
- 1992 to 1994 BMW M3
- 1995 to 1999 BMW M3
- 2000 BMW M3
- 2001 to 2006 BMW M3
- 2007 BMW M3
- 2008 to 2013 BMW M3
- 2015 to 2018 BMW M3
- 2021 to 2024 BMW M3
- 2011 BMW M3 US
- 2019 BMW M340I
- 2020 to 2023 BMW M340I
- 2014 BMW M4
- 2015 to 2024 BMW M4
- 2023 BMW M4 GT4
- 2021 to 2024 BMW M440I
- BMW M5
- 1989 to 1990 BMW M5
- 1991 to 1993 BMW M5
- 1994 to 1999 BMW M5
- 2000 to 2003 BMW M5
- 2004 to 2005 BMW M5
- 2006 to 2010 BMW M5
- 2012 BMW M5
- 2013 to 2016 BMW M5
- 2018 to 2023 BMW M5
- 2017 BMW M550I
- 2018 to 2023 BMW M550I
- 1985 to 1988 BMW M6
- 2006 to 2010 BMW M6
- 2012 to 2019 BMW M6
- 2017 to 2021 BMW M760I
- 2022 BMW M760I
- 2017 to 2018 BMW M760LI
- 2020 to 2021 BMW M760LI
- 2022 BMW M760LI
- 2019 BMW M8
- 2020 to 2024 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2018 to 2019 BMW M850I
- 2020 to 2024 BMW M850I
- 2019 BMW M850XI

## Recalls for the same vehicles and component

- [2021479](/recalls/tc/2021479.md), 2021-08-03: Brakes
- [2021061](/recalls/tc/2021061.md), 2021-02-10: Brakes
- [21V062000](/recalls/nhtsa/21V062000.md), 2021-02-10: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC; SERVICE BRAKES, HYDRAULIC
- [01V245000](/recalls/nhtsa/01V245000.md), 2001-07-31: PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE

## Other bulletins for the same vehicles and component

- [B340925](/bulletins/11026950.md), 2026-01-05, Service bulletin: SERVICE BRAKES. There may be an internal leakage in the brake fluid expansion tank \(aka brake fluid reservoir\). In the rarecase of a leak, the filling level sensor might malfunction over a relatively long period of time.
- [B064925](/bulletins/11024229.md), 2025-10-10, Other: SERVICE BRAKES. Brake Disc Return
- [B064725](/bulletins/11024227.md), 2025-10-10, Other: SERVICE BRAKES. Protection Plate Return
- [B340925](/bulletins/11021109.md), 2025-07-31, Service campaign: SERVICE BRAKES. There may be an internal leakage in the brake fluid expansion tank \(aka brake fluid reservoir\). In the rare case of a leak, the filling level sensor might malfunction over a relatively long period of time.
- [B340625](/bulletins/11018518.md), 2025-05-21, Service bulletin: SERVICE BRAKES. Brake “groaning” noises heard at the rear axle at slow speeds, i.e. close to standstill, stop and go driving;when parking or maneuvering.
- [B340921](/bulletins/11013041.md), 2025-01-23, Service bulletin: SERVICE BRAKES. A turbine\-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
- [B340921](/bulletins/10233158.md), 2023-03-20, Service bulletin: SERVICE BRAKES. A turbine\-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
- [SIM010617](/bulletins/10215023.md), 2022-07-05, Service bulletin: SERVICE BRAKES. Visual Inspection of Brake discs/Rotors for new car deliveries
- [B360122](/bulletins/10211855.md), 2022-05-16, Service bulletin: SERVICE BRAKES, HYDRAULIC; WHEELS; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. After replacing tires and successfully programming the Tire Pressure Monitoring System \(TPMS\) using the RDC tool to transfer the QR code information on the sidewall, the "back\-end" support systems need time to update the new tire information.
- [SIB340821](/bulletins/10204626.md), 2021-12-13, Service bulletin: SERVICE BRAKES, HYDRAULIC. The yellow CCM, ID code 42, lights up when starting the vehicle. ID code 00042: Brake system. It is possible to continue driving. Additional notes: Avoid abrupt braking as far as possible. Drive at a moderate speed. Have it checked by your nearest Service Center.

JSON: [/v1/bulletins/10244237](/v1/bulletins/10244237)

[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%20B340714&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10244237&vehicle=Service%20bulletin%20B340714)