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Service bulletin B630916

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 id10146600
Published by NHTSA2018-11-05
Manufacturer's numberB630916
Manufacturer's date2017-03-01
NHTSA componentELECTRICAL SYSTEM; EXTERIOR LIGHTING

NHTSA's summary

?TAILLIGHT FLICKER WHEN TURN SIGNAL AND BRAKE LIGHT ACTIVE . Taillight flickers when turn signal and brake light are active; see video in this link: tinyurl.com/zmr65st When the following preconditions occur simultaneously: Engine on (idle). Tail light active (switched on). Brake light active (through actuation of the brake pedal). Turn signal active (switched on). Current fluctuations reduce the voltage to the tail light.

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, Lighting

Vehicles listed
BMW 535I2013, 2014, 2015, 2016, 2017
BMW 535I GRAN TURISMO2010, 2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
BMW 550I2013, 2014, 2015, 2016, 2017
BMW 550I GRAN TURISMO2010, 2011, 2012 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
15V1880002015-03-31. EXTERIOR LIGHTING
13V4070002013-09-11. EXTERIOR LIGHTING:TAIL LIGHTS

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
B6304182024-04-01. Service bulletin. One or more of the LED daytime running lights are dim or discolored.
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
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.
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.
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.
B6515232023-06-26. Service bulletin. After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
TEC252022-08-01. Service bulletin. Tec25 Wishbone Return
SIB6513122022-07-05. Service bulletin. The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 4 (HU-H4, also called MGU21) superseded the MGU starting with certain MY2021 vehicles with option code 6U3 Live Cockpit Professional. This uses map North America JOY. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO (HU-B2) replaced Entry Media/Navigation as the low-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY.
B0121182021-08-09. Service bulletin. While engine oil consumption may create a customer inconvenience, in the short term it should not cause any drivability problems that would prevent normal day-to-day operational use of the vehicle
B1703182021-05-17. Service bulletin. Butt connector for repairing a plug connection. The ?top up coolant? message is displayed in the central display (CC message ID 166). When checking the cooling system there are no leaks found and the expansion tank is filled to the proper level.