# 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.

- Type: Service bulletin
- NHTSA id: 11016472
- Published by NHTSA: 2025\-04\-04
- Manufacturer's number: B270220
- Manufacturer's date: 2025\-03\-27
- NHTSA component: POWER 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016472-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016472-9999.pdf)

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

## Components

Transmission and driveline, Wheels

## Vehicles listed

- 2020 BMW 430I
- 2020 BMW 530I
- 2025 BMW 530I
- 2020 BMW 740I
- 2025 BMW 740I
- 2020 BMW 840I
- 2020 BMW X7

## Recalls for the same vehicles and component

- [21V046000](/recalls/nhtsa/21V046000.md), 2021-02-03: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [20V465000](/recalls/nhtsa/20V465000.md), 2020-08-07: ELECTRICAL SYSTEM:STARTER ASSEMBLY; POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [B270220](/bulletins/11019579.md), 2025-06-17, Service bulletin: POWER TRAIN. 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
- [B110924](/bulletins/11010888.md), 2024-12-02, Service campaign: POWER TRAIN. Delivery Stop Flywheel
- [B240323](/bulletins/10242688.md), 2023-09-25, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN. ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
- [B240223](/bulletins/10239603.md), 2023-07-24, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. 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.
- [B410223](/bulletins/10238074.md), 2023-06-26, Service bulletin: WHEELS; STRUCTURE. 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.
- [B240223](/bulletins/10235178.md), 2023-05-01, Service bulletin: POWER TRAIN. 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.
- [B260422](/bulletins/10233157.md), 2023-03-20, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN. 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.
- [B122519](/bulletins/10230722.md), 2023-01-30, Service bulletin: POWER TRAIN. After an automatic engine start \(MSA start\), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
- [SIB330120](/bulletins/10224199.md), 2022-10-17, Service bulletin: POWER TRAIN. There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning.
- [SIB011421](/bulletins/10215745.md), 2022-07-18, Service bulletin: WHEELS; TIRES; EQUIPMENT. 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.

JSON: [/v1/bulletins/11016472](/v1/bulletins/11016472)

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