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Service bulletin B510421

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 id10188941
Published by NHTSA2021-03-15
Manufacturer's numberB510421
Manufacturer's date2021-02-01
NHTSA componentVISIBILITY

NHTSA's summary

DOOR PAINT STREAKS: Streaks are found running mostly vertically down along the door outer skin from the lower window trim. This can affect any of the 4 side doors.

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

Glass, wipers and mirrors

Vehicles listed
BMW R 1250 GS ADVENTURE2021 (the catalog's model; the bulletin names a series or trim of it)
BMW R NINE T2021
BMW X12016, 2017, 2018, 2019, 2020
BMW X1 SAV2016 to 2017
BMW X32018, 2019, 2020, 2021
BMW X42019, 2020, 2021

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

Recalls for the same vehicles and component
20210782021-02-18. Visual System
20194802019-10-01. Visual System

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
B6304182025-07-28. Service bulletin. One or more of the LED daytime running lights are dim or discolored.
B6404222024-03-02. Service bulletin. An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the recirculated airflap moves to a different position. Due to the complex design of the heating and air-conditioning unit, the kinematics causing it (top or bottom,left or right) may not be able to be precisely located. Depending on the vehicle model, the number of servomotors (and the associated kinematics unit) varies.Various models use either 2 or 3 servomotors.
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
B5404212023-11-01. Service bulletin. This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
B6102202023-09-25. Service bulletin. ?When driving over uneven pavement or cobblestones, a knocking noise is present from the passenger side front area (A pillar). Once the vehicle is driven on a flat, even surface; the noise is no longer present.
B5401232023-09-25. Service bulletin. ?Water leaking into the vehicle from the headliner/microphone area.
B5117222023-06-26. Service bulletin. Due to the semiconductor supply, the Local Interconnect Network module in either of the exterior mirrors was switched to another controller. That one provides an imprecise voltage measurement, which the main controller interprets as a fault.
B5108232023-06-26. Service bulletin. Upon opening or closing (i.e., folding in or out) the exterior mirror assembly, a creaking sound is heard from either the driver and/or passenger side.
SIB5117222023-05-15. Service bulletin. Due to the semiconductor supply, the Local Interconnect Network module in either of the exterior mirrors was switched to another controller.
B6112222022-12-12. Service bulletin. After opening the vehicle with the radio remote control and changing the profile, the exterior mirror settings are lost.