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Service bulletin B640220

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 id10177631
Published by NHTSA2020-07-27
Manufacturer's numberB640220
Manufacturer's date2020-06-01
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; SEATS

NHTSA's summary

3rd ROW CLIMATE CONTROL NOT AVAILABLE: Climate control operations are not available in the 3rd row when the 3rd row seats are folded down. Software in the automatic air conditioning control unit (IHKA).

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, Heating and air conditioning, Seats

Vehicles listed
BMW X72019, 2020

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

Recalls for the same vehicles and component
20225012022-09-07. Seats And Restraints
22V6700002022-09-07. SEATS
22V2670002022-04-20. VISIBILITY:SUN/MOON ROOF ASSEMBLY
20210782021-02-18. Visual System
20194802019-10-01. Visual System
19V1350002019-02-27. SEATS

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.
B5209202024-12-31. Service bulletin. HEAD RESTRAINT AND/OR BACKREST OF 3RD ROW SEATS CANNOT BE FOLDED DOWN
B5210192024-04-01. Service bulletin. The seat leather upholstery detaches from the front of the thigh support (aka knee bolster) of either front seat.
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
B5223192023-12-06. Service bulletin. Two areas of the third-row seat backrest that may cause a noise concern have been added.
B5223192023-11-01. Service bulletin. Second seat row blocking access to third seat row, program seat modules. Visible stitching on first row sport seat. Third seat row backrest Bowden cable routing and length change.
B5209202023-11-01. Service bulletin. Various concerns about the third row of seats: 1. Head restraint (aka headrest), on one or both sides, cannot be folded down. 2. Third-row seating, on one or both sides, cannot be folded down.
B5404212023-11-01. Service bulletin. This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
B5401232023-09-25. Service bulletin. ?Water leaking into the vehicle from the headliner/microphone area.
B5209202023-09-25. Service bulletin. ?Various concerns about the third row of seats.