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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 id11016472
Published by NHTSA2025-04-04
Manufacturer's numberB270220
Manufacturer's date2025-03-27
NHTSA componentPOWER TRAIN; WHEELS

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 There are no warning lights or Check Control messages.

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, Wheels

Vehicles listed
BMW 430I2020
BMW 530I2020
BMW 530I2025
BMW 740I2020
BMW 740I2025
BMW 840I2020
BMW X72020

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

Recalls for the same vehicles and component
21V0460002021-02-03. POWER TRAIN:DRIVELINE:DRIVESHAFT
20V4650002020-08-07. ELECTRICAL SYSTEM:STARTER ASSEMBLY; POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B2702202025-06-17. 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
B1109242024-12-02. Service campaign. Delivery Stop Flywheel
B2403232023-09-25. Service bulletin. ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
B2402232023-07-24. Service bulletin. BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
B4102232023-06-26. Service bulletin. Due to prolonged, normal body flex acting on the vehicle during its service life, a small indentation and/or a crack can form in the body sheetmetal in the right rear wheelwell (aka wheel house). Potential water ingress and a risk of corrosion is possible.
B2402232023-05-01. Service bulletin. BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
B2604222023-03-20. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature.
B1225192023-01-30. Service bulletin. After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
SIB3301202022-10-17. Service bulletin. There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning.
SIB0114212022-07-18. Service bulletin. BMW of North America, LLC (BMW NA) is administrating a Special Tire-Specific Support Program for irregular uneven inner shoulder tire wear for the above 8 Series model vehicles which are operated with the factory installed original equipment optional 20-inch wheels with Michelin Pilot Sport 3 (PS3 RFT) tires (shown) as described in this bulletin for the first 4 years (48 months) without a mileage limit, starting from the vehicle's original in-service date. This tire-specific program is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that applies to repair claim submissions under the standard BMW coverage and programs. Checking and adjusting the vehicle's wheel alignment and/or tire replacements for any other reason are also excluded from this Special Tire-Specific Support Program.