# Service bulletin 0425MC774

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: 11024724
- Published by NHTSA: 2025\-11\-03
- Manufacturer's number: 0425MC774
- Manufacturer's date: 2025\-10\-13
- NHTSA component: ELECTRICAL SYSTEM; UNKNOWN OR OTHER

## NHTSA's summary

Due to a manufacturing process error, the electrical functions of the 43.5\-liter top case \(part number 77 43 8 829 760\) may not work. The lighting in the interior of the top case and the USB\-C charging option are inoperable. The cause is a faulty pin assignment of the wiring harness connector in the top case. For top cases that have not yet been delivered \(retailer inventory\), the top cases must be checked and the service solution completed prior to delivery to the customer. For top cases that have already been delivered to customers, the top cases must be checked and completed upon customer complaint relating to the specified fault pattern in the lighting and USB\-C charging.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024724-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024724-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 BMW C 400 GT

## Other bulletins for the same vehicles and component

- [MC610626](/bulletins/11036386.md), 2026-08-27, Service campaign: ELECTRICAL SYSTEM. Due to ongoing quality inspection it has been determined that due to inadequate sealing of the chassismodule \(61 35 5 A9B E95 with revision indexes of 01, and 02\) moisture can get into the control unit. As a result the moisture and cause corrosion which can lead to malfunctions of the chassis module.

JSON: [/v1/bulletins/11024724](/v1/bulletins/11024724)

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