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Emissions B120326

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)
TypeEmissions
NHTSA id11030305
Published by NHTSA2026-03-30
Manufacturer's numberB120326
Manufacturer's date2026-03-19
Campaign id or software version0099020300
NHTSA componentUNKNOWN OR OTHER; ENGINE

NHTSA's summary

PROGRAM CONTROL UNITS (OBD)

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

Engine

Vehicles listed
BMW 230I2025
BMW 530I2025
BMW 740I2025
BMW M52025
BMW M5 SPORTSWAGON2025
BMW X12025
BMW X22025
BMW X32025
BMW X62025
BMW X72025
BMW XM2025

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
B1103262026-08-26. Service bulletin. This Service Bulletin provides instructions to clean the intake valves using the BMW Carbon Blaster Tool P/N 81 29 2 208 034 and the S68T / XB1T Kit P/N 83 30 5 BAD 3D5. Refer to SI B04 12 11 for existing documentation about the carbon blaster tool and SI B04 02 26 for the S68T /XB1T tool kit.
B0103242026-08-03. 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.
B0639262026-08-03. Other. Starter Generator Return
B1701262026-07-31. Service campaign. The coolant vent lines of the low-temperature circuit are designed to remove air bubbles from the system toensure optimal cooling performance. Internal quality inspections have revealed that leaks may occur due tolocalized material aging on the vent lines. These leaks occur because the material originally used is notsufficiently resistant to the continuously high temperatures. A coolant leak may result and cause a yellow check control message and reduced engine performance.
B1203262026-07-31. 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.
B1103262026-07-31. Service bulletin. This Service Bulletin provides instructions to clean the intake valves using the BMW Carbon Blaster Tool
B120626DCS2026-06-02. Other. Update - Variable Valve Timing
B1206262026-06-01. Service campaign. DELIVERY STOP: VARIABLE VALVE TIMING
B0101262026-05-18. 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.
InVeh-InApp-Comm2026-03-30. Over-the-air update. It was determined that the oil return line for the turbo charger was installed with a bolt of the wrong size. The bolt for the oil return line needs to be replaced.