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Service bulletin B270220

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 id11019579
Published by NHTSA2025-06-17
Manufacturer's numberB270220
Manufacturer's date2025-06-06
NHTSA componentPOWER TRAIN

NHTSA's summary

There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads

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

Transmission and driveline

Vehicles listed
BMW 330I2025
BMW 430I2025
BMW 530I2025
BMW 740I2025
BMW 840I2025
BMW X32025
BMW X42025
BMW X52025
BMW X62025
BMW X72025
BMW XM2024

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
B0638262026-08-03. Other. Shaft Return
InVehicle-InApp-Comm2026-02-05. Over-the-air update. The right rear drive shaft may not have been manufactured correctly during production and may break. In the event of a fault, you will hear significant noises in the area of the rear axle and the driving performance will be noticeably reduced. At the same time, warning lights and Check Control messages will be shown on the Central Display.
B3303252025-09-15. Service campaign. The rear right driven half-shaft (aka output shaft/driven shaft) may not have been manufactured correctly during production and may break. In the event of a failure, there could be significant noises in the area of the rear axle and the driving performance will be noticeably reduced.
B2401252025-06-02. Service campaign. Delivery Stop Transmission Control Unit
B3302252025-05-21. Service campaign. Sufficient grease was not applied to the left rear axle shaft. The velocity joints could overheat after a short amount of driving
B2702202025-04-04. Service bulletin. There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
B2601252025-04-03. Service campaign. Delivery Stop - Driveshaft
B1109242024-12-02. Service campaign. Delivery Stop Flywheel
B3701242024-07-25. Service bulletin. While driving at low speeds (15-40 mph) on flat road surfaces, a knocking noise from the front axle may beheard during steering wheel movements.