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Service bulletin B090318

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 id10152656
Published by NHTSA2019-01-07
Manufacturer's numberB090318
Manufacturer's date2018-11-01
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

RAM CONTROL UNIT: CANNOT BE ENCODED / NO SOUND OUTPUT. After programming the RAM (audio amplifier) one of the following errors may occur: 1. Coding of the RAM-01 audio amplifier fails repeatedly. 2. The RAM-01 audio amplifier was successfully programmed and encoded with ISTA. However after the vehicle goes to sleep, the sound output no longer works. The root cause for this error is still under investigation.

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

Equipment and accessories

Vehicles listed
BMW 8 SERIES2018
BMW X52019

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

Recalls for the same vehicles and component
18V9180002018-12-19. EQUIPMENT:OTHER:LABELS

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
B5115202024-04-01. Service bulletin. Deactivated: Currently investigating other components that maybe playing a factors besides what is mentioned in the SIB. Topic is under investigation.
B5413192024-02-01. Service bulletin. The roller sunshade (aka sun protection or sunblind) of the front panoramic sunroof is bunching up during operation or may hang down and appear loose.
B6534232023-12-06. 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.
B6615232023-12-06. Service bulletin. Emergency Stop Assistant is activated. Thisicon will appear in the CID when this function is activated.
B6113202023-07-24. Service bulletin. In the event of an accident, the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay.
B1203232023-07-24. Service bulletin. BMW AG has issued a Delivery Stop effective June 6, 2023 on certain Model Year 2023 - 2024 BMW vehicles that were produced between October 26, 2022 and May 8, 2023.
B0113232023-06-26. Service bulletin. Interim Class Action Settlement F95/96, G05/G06/G07 front center console cupholder United States District Court Central District of California.
B8414222023-05-01. Service bulletin. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
B8408222023-05-01. Service bulletin. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services (Concierge Call, BMW Assistance, and emergency call voice) can no longer be used regionally in the US in vehicle with telematics control units ATM-1 and TCB-4G. Voice control of the vehicle and all other telephone (paired mobile devices) functions are not affected. Emergency call location data is unaffected.
B6516232023-05-01. Service bulletin. Customer states there is no audio playback (telephony, navigation, radio) and system sounds (PDC, turn indicators, acoustic signals) may also have failed.