TSB B120626 — BMW Service campaign
B120626 is a service campaign on file with NHTSA for the BMW X5, 2023–2026 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. In these vehicles with an S68 engine, an incorrect diagnosis of the Valvetronic (VVT) may occur. Undercertain operating conditions, the software may detect a short-circuit in the valve control system even thoughthere is no fault. When the above-mentioned fault occurs, the red…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. B120626 is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years B120626 names
Every document filed under B120626
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 |
|---|---|---|
| B120626 | June 11, 2026 | Service campaign |
| B120626 | May 11, 2026 | Service campaign |
What B120626 covers
Electrical, Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B120626?
B120626 is a service campaign filed with NHTSA by BMW, covering the BMW X5 across the 2023–2026 model years. NHTSA's summary reads: In these vehicles with an S68 engine, an incorrect diagnosis of the Valvetronic (VVT) may occur. Undercertain operating conditions, the software may detect a short-circuit in the valve control system even thoughthere is no fault. When the above-mentioned fault occurs, the red…
Which vehicles does B120626 cover?
NHTSA's file names BMW X5 (2023–2026). 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 B120626 a recall, and is the repair free?
B120626 is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of B120626?
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 B120626, 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 B120626. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.