# Service bulletin B340615

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: 10147770
- Published by NHTSA: 2018\-11\-13
- Manufacturer's number: B340615
- Manufacturer's date: 2015\-10\-01
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Grinding Noise from Rear Brakes. Pebbles, road grit, or other foreign materials caught between the brake protection plate and the brake disc may cause a disturbing noise in the rear axle area.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10147770-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10147770-0001.pdf)

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

## Components

Brakes

## Vehicles listed

- 2015 to 2016 BMW M3
- 2015 to 2016 BMW M4

## Other bulletins for the same vehicles and component

- [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\-
- [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.
- [B341019](/bulletins/10203336.md), 2021-11-08, Service bulletin: SERVICE BRAKES, HYDRAULIC. 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.
- [B341019](/bulletins/10201141.md), 2021-09-07, Service bulletin: SERVICE BRAKES, HYDRAULIC. 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.
- [B360121](/bulletins/10194298.md), 2021-05-24, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SERVICE BRAKES, AIR:DISC. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components \(less than 212 degrees F\) increases the likelihood of cracks to form.
- [B340414](/bulletins/10194296.md), 2021-05-24, Service bulletin: SERVICE BRAKES, AIR:DISC; STEERING: STEERING WHEEL/HANDLE BAR. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components \(less than 212 degrees F\) increases the likelihood of cracks to form.
- [B513016](/bulletins/10174015.md), 2020-04-20, Service bulletin: AIR BAGS; PARKING BRAKE. TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin \(Revision 4\) replaces SI B51 30 16 dated March 2018. Trunk/tailgate may open when vehicle is locked Trunk/tailgate may open while the vehicle is in motion usually after stopping such as a traffic light etc. Vehicle key trunk/tailgate button may be accidentally pressed thus opening the tailgate.
- [B341019](/bulletins/10170577.md), 2020-01-21, Service bulletin: SERVICE BRAKES. HELPFUL INFORMATION FOR CUSTOMER DISCUSSIONS REGARDING MOTORSPORT VEHICLE BRAKES: Note for customer deleted: If the noise does not disappear despite the attempts to regenerate the brake a repair is required.
- [B341019](/bulletins/10169460.md), 2019-12-16, Service bulletin: SERVICE BRAKES, HYDRAULIC; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. HELPFUL INFORMATION FOR CUSTOMER DISCUSSIONS REGARDING MOTORSPORT VEHICLE BRAKES: INFORMATION 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.

JSON: [/v1/bulletins/10147770](/v1/bulletins/10147770)

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