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Service bulletin B340625

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11018518
Published by NHTSA2025-05-21
Manufacturer's numberB340625
Manufacturer's date2025-05-02
NHTSA componentSERVICE BRAKES

NHTSA's summary

Brake “groaning” noises heard at the rear axle at slow speeds, i.e. close to standstill, stop and go driving;when parking or maneuvering.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Vehicles listed
BMW M32024
BMW M42024
BMW M82024
BMW X32024
BMW X42024
BMW X52024
BMW X62024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20263212026-07-01. Brakes
26V4220002026-07-01. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE; ELECTRONIC STABILITY CONTROL (ESC)
24V7390002024-10-02. ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE
24V6970002024-09-18. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
20244562024-08-12. Brakes
20240872024-02-12. Brakes
24V1040002024-02-12. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE; ELECTRONIC STABILITY CONTROL (ESC)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B3409252026-01-05. Service bulletin. 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.
B3409252025-07-31. Service campaign. 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.
B3410252025-07-28. Service bulletin. After programming from the I-Levels between …24-03-505 and lower than …24-03-540 to I-Level …24-11-530 or higher, the following CCM may be displayed: “CCM-2525: Brake system. Drive at moderate speed”
B3401242025-01-23. Service campaign. After replacement of the Integrated Braking system (IB)/Power Brake the total distance covered might be lower than when handed over to the workshop for the repair.
B3403242024-10-19. Service campaign. Improved diagnostic software for the brake system.
B3403242024-09-29. Service campaign. Improved diagnostic software for the brake system.
B3404232024-01-03. Service bulletin. BMW AG has issued a Delivery Stop (effective December 20, 2023) on certain Model Year 2023 - 2024BMW vehicles that were produced between July 4, 2022, and October 26, 2023.
B3407142023-11-01. Service bulletin. Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-