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Service bulletin B660918

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 id10138407
Published by NHTSA2018-05-21
Manufacturer's numberB660918
Manufacturer's date2018-04-01
NHTSA componentEQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

CHECK CONTROL STATES REMOTE KEY IS MISSING WHEN THE KEY IS LOCATED IN THE VEHICLE: Only affects vehicles that have been programmed with ISTA 4.10.1x and I-level 18-03-511 or 18-03-576

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

Electrical system, Equipment and accessories

Vehicles listed
BMW I32018
BMW S1000 R2018
BMW X12018
BMW X52018
BMW X5 M2018
BMW X62018
BMW X6 M2018

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

Recalls for the same vehicles and component
24V6080002024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
20191902019-04-18. Electrical
19V3100002019-04-17. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; HYBRID PROPULSION SYSTEM
18V6520002018-09-20. EQUIPMENT:ELECTRICAL
20181592018-04-04. Accessories

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
B0109242025-03-21. Warranty extension. The High-Voltage (HV) Battery Assemblys Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 10 years / 120,000 miles as determined from the original in-service/first delivery date
B0119242025-01-23. 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.
B011920242025-01-02. 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.
B0111242024-12-31. 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.
0110242024-12-31. 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.
B8403242024-10-19. Service bulletin. The “End of life” or “Emergency call system error” Check Control message appears in the vehicle. The following fault memory entry is stored: B7F341 – Emergency battery: Hardware faulty
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
B6113052024-02-01. 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.
B5217232024-02-01. Service bulletin. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
B6127232024-01-03. Service bulletin. When using the Key Reader to retrieve CBS information from the customer key, no current vehicle data is available, or the data does not match the maintenance schedule.