Service bulletin B120723

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)
Type	Service bulletin
NHTSA id	10245368
Published by NHTSA	2023-12-06
Manufacturer's number	B120723
Manufacturer's date	2023-11-17
NHTSA component	ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

Vehicle exhibits a slight acceleration delay when taking off from a MSA (automatic engine start-stopfunction) stop.

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, Engine

Vehicles listed
BMW X1	2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024

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

Recalls for the same vehicles and component
2024468	2024-08-13. Engine
24V608000	2024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
2018497	2018-09-13. Engine
18V465000	2018-07-11. ENGINE AND ENGINE COOLING:ENGINE
2017067	2017-02-10. Electrical
2015343	2015-07-30. Electrical

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
B611226	2026-10-02. Service campaign. The BCP controls several vehicle functions, including the windscreen wipers and air conditioning actuators. Low current flow may cause excessive current in parts of the BCP circuit board and damage the unit. If a fault occurs, the wipers or air flap controls may operate incorrectly or fail. A wiper failure is indicated by a yellow warning light and the “Windscreen wiper fault” Check Control message.
B630526	2026-09-28. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, customer may reportsome of the interior ambient lighting strips(arrows) may begin to fail sporadically after adeep sleep cycle. This concern is temporary and the interiorambient lighting will be restored on its ownafter the vehicle is locked/unlocked or colorselection setting is changed.
B611025	2026-09-28. Service bulletin. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programmingprocedure- the BMW Footwell Module (FRM) may become unresponsive. As a result, one or more of the following vehicle electric system-related issues may occur: Headlights including the high beams, and/or taillights are not turning on or off Interior lights are not turning on Turn indicators are not working Instrument cluster indicator lights stay on The IHKA climate control system is not working Power windows are not working Folding mirrors are not working, and/or a Functional remote-control key FOB will not unlock and lock the doors
B630526	2026-08-27. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, some of the interiorambient lighting strips (arrows) may begin tofail sporadically after a deep sleep cycle.
B010224	2026-08-03. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
B840226	2026-07-31. Service campaign. Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote Services(remote engine start, lock/unlock/climate conditioning) will not be able to reactivate the TCB2. Due to this issue, Remote Services will not function in the vehicle when parked and locked.
B651926	2026-07-31. Service bulletin. Activation of the BMW Intelligent Personal Assistant voice is not possible via the Multifunction Steering Wheel (MFL) button and/or via the Central Information Display (CID). Intelligent voice control via the wake-up word “Hey BMW” is possible.
B120326	2026-07-31. Emissions. Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes (DTCs) and the MIL (warning light) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
B630426	2026-07-03. Service bulletin. The front interior reading light(s) (arrows) willrandomly turn ON and OFF while driving. The reading lights are normally activated bytouching the small icons
B010224	2026-05-18. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.