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Service bulletin B240712

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 id10151173
Published by NHTSA2018-12-10
Manufacturer's numberB240712
Manufacturer's date2016-03-01
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

"SI B24 07 12 Automatic Transmission March 2016 Technical Service bulletin. Hybrid Automatic Transmission: Fluid Maintenance Service Interval. INFORMATION Only properly trained personnel, who have passed all applicable technical training courses, should perform any maintenance or repairs on any Hybrid or Electric Vehicle. Work performed by unqualified persons may result in severe injury or damage to the vehicle. Additional information may be found in REP 61 00... Observe safety instructions when handling electric vehicles. This requirement is due to the hybrid-specific components that are contained in the transmission. Refer to Repair Instruction 00 00 630, ""Automatic transmission fluid service (GA8P70Z) N55 hybrid,"" for the proper servicing procedure. Refer to SI B00 09 12 for BMW Maintenance Program claim-related information."

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, Transmission and driveline

Vehicles listed
BMW ACTIVE HYBRID 32013
BMW ACTIVE HYBRID 32014, 2015
BMW ACTIVE HYBRID 52012, 2013
BMW ACTIVE HYBRID 72013
BMW ACTIVE HYBRID 72014, 2015

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

Other bulletins for the same vehicles and component
B0112242024-10-28. Warranty extension. The Electrical Machine Electronics (EME)Modules limited warranty for defects in materials or workmanship has been extended to 10years/120,000 miles as determined from the original in-service date
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.
B6515232023-06-26. Service bulletin. After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
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.
B6309172023-05-01. Service bulletin. Exterior rear lights do not work.
B1225192023-01-30. Service bulletin. After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
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.
B8402212021-08-09. Service bulletin. The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the discretion of the respective cellular carriers and lies beyond the control of BMW. Due to the phase-out, BMW Assist and ConnectedDrive services will no longer be supported after this date.
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.