# Service bulletin B341019

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: 10201141
- Published by NHTSA: 2021\-09\-07
- Manufacturer's number: B341019
- Manufacturer's date: 2021\-07\-01
- NHTSA component: SERVICE BRAKES, HYDRAULIC

## NHTSA's summary

Inform the customer during a consultation that the M Compound \(standard equipment\) and M Carbon Ceramic \(optional\) brakes are high\-performance brake systems which are designed for sporty, dynamic driving styles. As a side effect of the highest possible brake performance, customers are likely to hear noises due to the extremely resilient materials In the same conversation, inform the customer that his/her braking performance can help ensure that the noises do not occur or disappear quickly.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201141-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201141-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2014 BMW 525D XDRIVE
- 2011 to 2016 BMW 528I
- 2014 to 2016 BMW 535D
- 2011 to 2016 BMW 535I
- 2011 to 2016 BMW 550I
- 2012 to 2019 BMW 640I
- 2012 to 2018 BMW 650I
- 2012 to 2013 BMW ACTIVE HYBRID 5
- 2015 to 2016 BMW B7 ALPINA
- 2016 to 2021 BMW M2
- 2021 BMW M3
- 2015 to 2021 BMW M4
- 2013 to 2016 BMW M5
- 2018 to 2021 BMW M5
- 2013 to 2019 BMW M6
- 2020 to 2021 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2020 to 2021 BMW X3
- 2020 to 2021 BMW X4
- 2015 to 2017 BMW X5
- 2020 to 2021 BMW X5
- 2018 BMW X5 M
- 2021 BMW X6
- 2015 to 2020 BMW X6 M

## Recalls for the same vehicles and component

- [2021479](/recalls/tc/2021479.md), 2021-08-03: Brakes
- [21V089000](/recalls/nhtsa/21V089000.md), 2021-02-18: SERVICE BRAKES, HYDRAULIC:CRITICAL FASTENERS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
- [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
- [14V627000](/recalls/nhtsa/14V627000.md), 2014-10-07: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
- [13V454000](/recalls/nhtsa/13V454000.md), 2013-09-26: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

## Other bulletins for the same vehicles and component

- [B064725](/bulletins/11024227.md), 2025-10-10, Other: SERVICE BRAKES. Protection Plate Return
- [B661719](/bulletins/11017504.md), 2025-05-02, Service bulletin: SERVICE BRAKES. The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This appliesonly to the situation where the Active PDC option is activated via the iDrive.
- [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.
- [B340714](/bulletins/10244237.md), 2023-11-01, Service bulletin: SERVICE BRAKES, HYDRAULIC. Functional noises \(squealing/honking\) when braking shortly before the vehicle comes to a stop. CAUSE Material\-
- [B340223](/bulletins/10238072.md), 2023-06-26, Service bulletin: SERVICE BRAKES, HYDRAULIC. Brake squeak may occur with cold brakes and driving slowly or reversing
- [SIB510623](/bulletins/10236228.md), 2023-05-15, Service bulletin: AIR BAGS; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH; PARKING BRAKE; EXTERIOR LIGHTING. The hazard light \(aka emergency flasher\) button gets stuck in the ON or OFF position when actuated.
- [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.
- [SIB170220](/bulletins/10224198.md), 2022-10-17, Service bulletin: FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING. Symptom 1: There are traces of coolant leaking under the vehicle, or there is significant pressure released along with coolant loss when opening the low temperature cooling system reservoir \(engine cold\). The following fault code may also be stored in the DME: 20A201 \- Charge air cooling system: Coolant pump protective function activated due to dry running Symptom 2\*: The air conditioning may have low cooling output with the following fault stored in the IHKA: 80120A \- Compressor: Shut down due to overpressure in refrigerant system. Symptom 2 is an additional symptom related to Symptom 1. Diagnose the IHKA fault with ISTA test plans if it is the only fault stored \(if no DME faults are stored related to coolant loss, this bulletin repair does not apply\).
- [SIM010617](/bulletins/10215023.md), 2022-07-05, Service bulletin: SERVICE BRAKES. Visual Inspection of Brake discs/Rotors for new car deliveries
- [B330120](/bulletins/10212789.md), 2022-05-31, Service bulletin: SERVICE BRAKES. There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning. Incorrect actuating pressure in the M\-differential clutch plates.

JSON: [/v1/bulletins/10201141](/v1/bulletins/10201141)

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