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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11031574
Published by NHTSA2026-04-27
Manufacturer's numberB320123
Manufacturer's date2026-04-06
NHTSA componentSUSPENSION

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

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

Suspension

Vehicles listed
BMW 230I2024
BMW 330I2024
BMW 430I2024
BMW X52024
BMW X62024
BMW X72024
BMW XM2024
BMW Z4 M40I2024

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

Other bulletins for the same vehicles and component
B3301252026-02-27. Service bulletin. “Rattling” noises heard from the area of the luggage compartment when driving over a rough road surface.
B3103262026-02-26. Service bulletin. Various external influences can cause premature aging of the tension strut hydro-mount elastomer; which can lead to cracks in the material, and leakage.
B3101262026-02-23. Service bulletin. 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
B0646252025-10-10. Other. Control Arm Return
B3105252025-05-21. Service campaign. 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.
B3301252025-05-02. Service bulletin. “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”.
B6102252025-04-03. Service campaign. 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).
B3105252025-03-03. Service campaign. 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.
B3105252025-02-03. Service campaign. Delivery Stop: Active Front Stabilizer
B3101222024-09-29. Service bulletin. During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/or outer CV boots.