# Service bulletin B620418

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: 10138401
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: B620418
- Manufacturer's date: 2018\-04\-01
- NHTSA component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's summary

BRIEF FLICKERING OF THE INSTRUMENT CLUSTER AFTER ENGINE STARTUP: When starting the vehicle, a brief flickering of the instrument cluster \(KOMBI\) can be seen

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138401-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138401-0001.pdf)

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

## Components

Electrical system, Instrument cluster

## Vehicles listed

- 2018 BMW M5

## Other bulletins for the same vehicles and component

- [B620223](/bulletins/10235198.md), 2023-05-01, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. In SPORT mode, a black square appears in the RPM gauge \(tachometer\) section of the instrument cluster display.
- [B620919](/bulletins/10170588.md), 2020-01-21, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER REMAINS DARK AFTER STARTING THE VEHICLE: Instrument cluster remains dark after starting the vehicle. After a restart normal functionality is restored. Software error in the KOMBI \(Instrument Cluster\).
- [B620119](/bulletins/10169469.md), 2019-12-16, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER AND ONBOARD COMPUTER INTERMITTENTLY INOPERATIVE: Instrument Cluster \(KOMBSP18\) functions are intermittently inoperative including: On\-board Computer \(BC\) button on turn signal stalk \(BC button shown at left\) Radio displays Menu button Turn signal displays Arrows on multifunction steering wheel MFL thumbwheel control.
- [B620518](/bulletins/10160354.md), 2019-05-20, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. HEADS UP DISPLAY SPORADICALLY INOPERATIVE. Fault memory entry "B7F6E4 HUD: Fault in display backlighting "is stored in the instrument cluster. Intermittently the Head\-Up Display \(HUD\) may deactivate.

JSON: [/v1/bulletins/10138401](/v1/bulletins/10138401)

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