# Service bulletin B310126

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: 11028921
- Published by NHTSA: 2026\-02\-23
- Manufacturer's number: B310126
- Manufacturer's date: 2026\-02\-04
- NHTSA component: SUSPENSION

## NHTSA's summary

When driving over an uneven road surface, a “thumping” noise can be heard from the front axle. Seeattached video V 31 01 26. Under certain weather conditions, a “groaning” noise may be heard during steering movements

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028921-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028921-9999.pdf)

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

## Components

Suspension

## Vehicles listed

- 2024 BMW 430I
- 2024 BMW IX
- 2024 BMW X1
- 2024 BMW X2
- 2024 BMW X3
- 2024 BMW X4
- 2023 BMW Z4

## Other bulletins for the same vehicles and component

- [B320123](/bulletins/11031574.md), 2026-04-27, Service bulletin: SUSPENSION. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
- [B330126](/bulletins/11028922.md), 2026-02-23, Service bulletin: SUSPENSION. 1. Noise complaint: Humming or clicking type noise in the speed range of 15 – 65 mph can be heard from the rear axle. Seeattached video “V33 01 26 Humming” and “V33 02 26 Clicking” The noise may be amplified depending on road speed. Or 2. Fault memory entry: Customer has Dynamic Stability Control malfunction indicator lamp and/or related Check Control Message. The following fault codes are found in the Integrated Brake module fault memory: 4809B7: Wheel speed sensor \- rear left \- tooth missing 4809C2: Wheel speed sensor \- rear right \- tooth missing 480AB4: Wheel speed sensor \- rear right – noise monitoring 480AAD: Wheel speed sensor \- rear left – noise monitoring
- [B064025](/bulletins/11021121.md), 2025-07-31, Other: SUSPENSION. RIGHT BALL JOINT RETURN
- [B310524](/bulletins/11010759.md), 2024-11-25, Service campaign: SUSPENSION. DELIVERY STOP: REPLACE WISHBONE HEXAGON NUT
- [B310122](/bulletins/11008106.md), 2024-09-29, Service bulletin: SUSPENSION. During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/or outer CV boots.
- [B310524](/bulletins/11005223.md), 2024-07-25, Service campaign: SUSPENSION. DELIVERY STOP: REPLACE WISHBONE HEXAGON NUT
- [B310424](/bulletins/11005222.md), 2024-07-25, Service bulletin: SUSPENSION. Knocking/rattling noise from front axle when driving on a rough road surface.
- [B310122](/bulletins/10252033.md), 2024-04-01, Service bulletin: SUSPENSION. During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/o router CV boots.
- [B310124](/bulletins/10249016.md), 2024-02-01, Service bulletin: SUSPENSION. With the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31 01 24. The sound can reoccur when the vehicle is lowered, and the wheels are once again under load. The noise might also be heard for a short time while driving.

JSON: [/v1/bulletins/11028921](/v1/bulletins/11028921)

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