WenmarOpen by Wenmar Pro

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10138401
Published by NHTSA2018-05-21
Manufacturer's numberB620418
Manufacturer's date2018-04-01
NHTSA componentELECTRICAL 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

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, Instrument cluster

Vehicles listed
BMW M52018

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
B6202232023-05-01. Service bulletin. In SPORT mode, a black square appears in the RPM gauge (tachometer) section of the instrument cluster display.
B6209192020-01-21. Service bulletin. 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).
B6201192019-12-16. Service bulletin. 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.
B6205182019-05-20. Service bulletin. 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.