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Service bulletin B662017

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 id10171499
Published by NHTSA2020-02-18
Manufacturer's numberB662017
Manufacturer's date2020-01-01
NHTSA componentEQUIPMENT

NHTSA's summary

DISPLAY KEY IS NON-FUNCTIONAL: This Service Information Bulletin (Revision 3) replaces SI B66 20 17 dated October 2019. The display key is non-functional. Display Key cannot be charged or switched on. An incorrect vehicle model appears on the key display. Possible defective display key battery or display key.

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 530E2018, 2019, 2020
BMW 530I2017, 2018, 2019, 2020
BMW 540D2018, 2019
BMW 540D2020
BMW 540I2017, 2018, 2019, 2020
BMW 640I2018, 2019
BMW 640I2020
BMW 740E2017, 2018, 2019
BMW 740I2017, 2018, 2019, 2020
BMW 740LI2016 to 2017
BMW 745E2020
BMW 750I2018, 2019
BMW 750LI2016 to 2019
BMW 840I2020
BMW B7 ALPINA2018 to 2020
BMW C 400 X2018
BMW F800 R2017
BMW M550I2017
BMW M550I2018, 2019, 2020
BMW M760I2017, 2018, 2019, 2020
BMW M850I2019
BMW M850I2020
BMW M850XI2019
BMW X72019, 2020

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

Recalls for the same vehicles and component
18V6520002018-09-20. EQUIPMENT:ELECTRICAL
17V4810002017-07-28. EQUIPMENT

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
B6127232024-04-01. Service bulletin. The original Conditioned Based Service (CBS) Key data point closed with 23-07 soft ware, all CBS systems are now collectively under analysis.
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.
B6607202024-03-02. Service bulletin. The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
B6608202024-03-02. Service bulletin. The functionality of the right rear SRR sensor could be reduced which would display the "Driving Assistance"- Check Control Message.
B6105242024-02-01. 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.
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.
B6127232023-12-06. 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.
B6528232023-10-01. Service bulletin. Customers may be experiencing one or more of these following issues with Bluetooth operation: Bluetooth cannot be switched on or off in the head unit (HU-H4) Paired mobile devices cannot be deleted Customer is unable to make phone calls or stream music with mobile device Customer is unable to connect a new mobile device via Bluetooth Mobile device does not automatically reconnect via Bluetooth in the next drive cycle (after short sleep cycle)