# Service bulletin B621315

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.

- Type: Service bulletin
- NHTSA id: 10147885
- Published by NHTSA: 2018\-11\-13
- Manufacturer's number: B621315
- Manufacturer's date: 2015\-12\-01
- NHTSA component: EQUIPMENT:ELECTRICAL

## NHTSA's summary

Head\-up Display \(HUD\) Visual Improvement. After programming with ISTA/P 2.56.1 or a more recent version you will observe a change in the HUD. CAUSE A visual improvement to the Head\-up display was introduced with ISTA/P V2.56.1 INFORMATION Vehicles programmed to F020\-15\-07\-500 or higher received a modification of the HUD display which includes: More colors displayed Modified navigation display Improved HUD visibility for the driver.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10147885-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10147885-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories

## Vehicles listed

- 2015 to 2016 BMW M3

## Other bulletins for the same vehicles and component

- [B840822](/bulletins/10235205.md), 2023-05-01, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. 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.
- [B662419](/bulletins/10225126.md), 2022-10-31, Service bulletin: EQUIPMENT:ELECTRICAL. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
- [TEC24](/bulletins/10216791.md), 2022-08-01, Service bulletin: EQUIPMENT. Tech24 Snap\-in Adapter Return
- [SIM010603](/bulletins/10216757.md), 2022-08-01, Service bulletin: EQUIPMENT. MINI "Enhanced" dealer self authorized \(DSA\)K goodwill program
- [B58N20N55S55](/bulletins/10212779.md), 2022-05-31, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Component and Issue Specific Limited Emission Warranty Extension. This component\-specific limited emission warranty extension applies to defects in materials or workmanship.
- [B661519](/bulletins/10211809.md), 2022-05-16, Service bulletin: EQUIPMENT; LANE DEPARTURE; STEERING. The steering intervention for Lane Departure Warning \(LDW\) is too strong \(severe\), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time.
- [B640613](/bulletins/10205068.md), 2021-12-20, Service bulletin: EQUIPMENT:ELECTRICAL. Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes.
- [B651312](/bulletins/10204660.md), 2021-12-13, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). 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 3 \(HU\-H3, also called MGU\) superseded the NBT\-EVO starting with certain MY2019 vehicles with option code 6U3 Live Cockpit Professional or 6U2 Live Cockpit Plus. This uses map North America LIVE. 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.
- [B840221](/bulletins/10200489.md), 2021-08-23, Service bulletin: EQUIPMENT:ELECTRICAL. TELEMATICS UNIT RETROFIT TO 4G CELLULAR TECHNOLOGY: 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.
- [B840121](/bulletins/10200487.md), 2021-08-23, Service bulletin: EQUIPMENT:ELECTRICAL. TELEMATICS UNIT DEACTIVATION DUE TO 3G CELLULAR TECHNOLOGY DISCONTINUATION: 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.

JSON: [/v1/bulletins/10147885](/v1/bulletins/10147885)

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