TSB B110326 — BMW Service bulletin
B110326 is a service bulletin on file with NHTSA for the BMW X5, 2025 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 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…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B110326 names
Every document filed under B110326
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| B110326 | August 12, 2026 | Service bulletin |
| B110326 | July 16, 2026 | Service bulletin |
What B110326 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B110326?
B110326 is a service bulletin filed with NHTSA by BMW, covering the BMW X5 across the 2025 model years. NHTSA's summary reads: 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…
Which vehicles does B110326 cover?
NHTSA's file names BMW X5 (2025). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB B110326 a recall, and is the repair free?
No. B110326 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of B110326?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under B110326, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under B110326. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.