# Service bulletin B320123

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: 11031574
- Published by NHTSA: 2026\-04\-27
- Manufacturer's number: B320123
- Manufacturer's date: 2026\-04\-06
- NHTSA component: SUSPENSION

## NHTSA's summary

When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031574-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031574-9999.pdf)

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

## Components

Suspension

## Vehicles listed

- 2024 BMW 230I
- 2024 BMW 330I
- 2024 BMW 430I
- 2024 BMW X5
- 2024 BMW X6
- 2024 BMW X7
- 2024 BMW XM
- 2024 BMW Z4 M40I

## Other bulletins for the same vehicles and component

- [B330125](/bulletins/11029068.md), 2026-02-27, Service bulletin: SUSPENSION. “Rattling” noises heard from the area of the luggage compartment when driving over a rough road surface.
- [B310326](/bulletins/11029047.md), 2026-02-26, Service bulletin: SUSPENSION. Various external influences can cause premature aging of the tension strut hydro\-mount elastomer; which can lead to cracks in the material, and leakage.
- [B310126](/bulletins/11028921.md), 2026-02-23, Service bulletin: SUSPENSION. 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
- [B064625](/bulletins/11024225.md), 2025-10-10, Other: SUSPENSION. Control Arm Return
- [B310525](/bulletins/11018512.md), 2025-05-21, Service campaign: SUSPENSION. The torsion spring may break at the point where it is connected to the active front stabilizer \(anti\-roll bar\)links. A broken active stabilizer \(anti\-roll bar\) will cause noise as you continue driving.
- [B330125](/bulletins/11017505.md), 2025-05-02, Service bulletin: SUSPENSION. “Rattling” noises heard from the area of the luggage compartment when driving over a rough road surface.See attached video V33 01 25 “Rear strut noise”.
- [B610225](/bulletins/11016442.md), 2025-04-03, Service campaign: SUSPENSION. Due to unfavorable tolerances, the Power Control Unit \(PCU\) may switch off under heavy loads and nolonger charge the Lithium\-Ion \(Li\-Ion\) Auxiliary \(AUX\) battery. This leads to the failure of the roll stabilization,and loss of communication to the EARS modules \(S 0421 \& S 0422\).
- [B310525](/bulletins/11014653.md), 2025-03-03, Service campaign: SUSPENSION. The torsion spring may break at the point where it is connected to the active front stabilizer \(anti\-roll bar\) links. A broken active stabilizer \(anti\-roll bar\) will cause noise as you continue driving.
- [B310525](/bulletins/11013436.md), 2025-02-03, Service campaign: SUSPENSION. Delivery Stop: Active Front Stabilizer
- [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.

JSON: [/v1/bulletins/11031574](/v1/bulletins/11031574)

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