Service bulletin B661917
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 | 10150897 |
| Published by NHTSA | 2018-12-10 |
| Manufacturer's number | B661917 |
| Manufacturer's date | 2018-09-01 |
| NHTSA component | LANE DEPARTURE; ELECTRICAL SYSTEM |
NHTSA's summary
?SERVICE ACTION: CHECK AND REPLACE LANE CHANGE WARNING SENSOR. The Lane Change Warning sensor may have been produced with faulty components. This may lead to a failure of the Lane Change Warning system (SWW). Lane Change Warning sensor hardware defect.
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
Driver assistance, Electrical system
| BMW 530E | 2018 |
|---|---|
| BMW 530I | 2017, 2018 |
| BMW 540D | 2018 |
| BMW 540I | 2017 |
| BMW 550I | 2017 |
| BMW F800 R | 2017 |
| BMW R NINE T | 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 26V441000 | 2026-07-08. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY |
|---|---|
| 19V684000 | 2019-09-27. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| B720125 | 2026-02-23. Warranty extension. A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL (Passenger Occupancy Light) light should now function correctly. In some cases, the Air bag Warning Light was illuminated, and the following Advanced Crash Safety Module (ACSM) fault is stored: 930A1C - Front passenger seat occupancy detection transmitting fault (moisture) |
|---|---|
| B720125 | 2025-11-03. Warranty extension. A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL (Passenger Occupancy Light) light should now function correctly. In some cases, the Air bag Warning Light was illuminated, and the following Advanced Crash Safety Module (ACSM) fault is stored: 930A1C - Front passenger seat occupancy detection transmitting fault (moisture) |
| B720125 | 2025-04-18. Warranty extension. The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date. |
| B011624 | 2025-01-23. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty. |
| B011824 | 2025-01-02. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. |
| 011024 | 2024-12-31. Warranty extension. The High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service/first delivery date. |
| B510819 | 2024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met. |
| B610524 | 2024-02-01. Service bulletin. The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 â“ âHU-H: Resetâ will be stored in the HU-H3. |
| B611305 | 2024-02-01. Service bulletin. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints. |
| B653423 | 2023-12-06. Service bulletin. Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicle’s equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is noticeable. Additionally, the red anti-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed. |