Service bulletin B330120
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 | 10181221 |
| Published by NHTSA | 2020-10-19 |
| Manufacturer's number | B330120 |
| Manufacturer's date | 2020-09-01 |
| NHTSA component | SUSPENSION |
NHTSA's summary
REAR AXLE SHUDDER AT SLOW SPEEDS: There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning Incorrect actuating pressure in the M-differential clutch plates.
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
| BMW 840I | 2020, 2021 |
|---|---|
| BMW M8 | 2020, 2021 |
| BMW M8 GRAN COUPE | 2020 |
| BMW M850I | 2019 |
| BMW M850I | 2020, 2021 |
| BMW M850XI | 2019 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B330319 | 2020-01-21. Service bulletin. SERVICE ACTION: CHECKING THE THRUST WASHER AND THE REAR AXLE ANTI-ROLL BAR. On vehicles with an incorrect setting of the thrust washer contact between the thrust washer and the sway bar may occur over time. This can lead to corrosion and breakage of the anti-roll bar. Installation error of the right side rear axle thrust washer during manufacturing. |
|---|