# Service campaign eB340225

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 campaign
- NHTSA id: 11016435
- Published by NHTSA: 2025\-04\-03
- Manufacturer's number: eB340225
- Manufacturer's date: 2025\-03\-06
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Delivery Stop \- Brake Fluid Expansion Tank

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016435-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016435-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2025 BMW 230I
- 2025 BMW 330I
- 2025 BMW 430I

## Other bulletins for the same vehicles and component

- [B062826](/bulletins/11031899.md), 2026-05-01, Other: SERVICE BRAKES. Brake Hose Return
- [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.
- [B341025](/bulletins/11020910.md), 2025-07-28, Service bulletin: SERVICE BRAKES. 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”
- [B340225](/bulletins/11017082.md), 2025-04-17, Service campaign: SERVICE BRAKES. Due to a manufacturing defect, there might be an internal leakage of the brake fluid expansion tank. In therare case that there is a leakage, the filling level sensor might malfunction over a relatively long period oftime .

JSON: [/v1/bulletins/11016435](/v1/bulletins/11016435)

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