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Service bulletin B310122

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 id11008106
Published by NHTSA2024-09-29
Manufacturer's numberB310122
Manufacturer's date2024-09-24
NHTSA componentSUSPENSION

NHTSA's summary

During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/or outer CV boots.

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 X12024
BMW X22024
BMW X32024
BMW X42024
BMW X52024
BMW X62024
BMW X72024

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
B3201232026-04-27. Service bulletin. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
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.
B3301262026-02-23. Service bulletin. 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
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
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).
B3105242024-11-25. Service campaign. DELIVERY STOP: REPLACE WISHBONE HEXAGON NUT
B3105242024-07-25. Service campaign. DELIVERY STOP: REPLACE WISHBONE HEXAGON NUT
B3101222024-04-01. Service bulletin. During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/o router CV boots.
B3101242024-02-01. Service bulletin. 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.