Service bulletin B640121
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 | 10194310 |
| Published by NHTSA | 2021-05-24 |
| Manufacturer's number | B640121 |
| Manufacturer's date | 2021-04-01 |
| NHTSA component | ENGINE; EQUIPMENT |
NHTSA's summary
WHISTLING NOISE COMING FROM FRESH AIR INLET (ENGINE COMPARTMENT): A whistling noise is present from the fresh air inlet area (engine compartment bulkhead area), in the right front area of the vehicle, at speeds above 40 mph.
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
Engine, Equipment and accessories
| BMW X3 | 2018, 2019, 2020, 2021 |
|---|---|
| BMW X4 | 2019, 2020, 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2026331 | 2026-07-08. Engine |
|---|---|
| 2026040 | 2026-01-30. Engine |
| 21V598000 | 2021-08-02. ENGINE |
| 2018497 | 2018-09-13. Engine |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| B110426 | 2026-08-03. Service bulletin. The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate. |
|---|---|
| B010921 | 2026-08-03. Warranty extension. The NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date. |
| B010324 | 2026-08-03. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date. |
| B010324 | 2026-05-18. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date. |
| B063025 | 2025-05-02. Other. Coolant Pump Return |
| B062525 | 2025-04-04. Other. Bearing Shell Return |
| B011524 | 2024-12-31. Warranty extension. the NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date. |
| B010921 | 2024-12-31. Warranty extension. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date. |
| B010821 | 2024-12-31. Warranty extension. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date |
| B010324 | 2024-09-29. Warranty extension. For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that apply to the BMW New Vehicle Limited Warranty. |