TSB B160123 — BMW Service bulletin

B160123 is a service bulletin on file with NHTSA for 2 BMW models, 2018–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak:…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
2Vehicles named
6Model years

Vehicles and model years B160123 names

VehicleModel years
BMW X3 2018, 2019, 2020, 2021, 2022, 2023
BMW X5 2021

Every document filed under B160123

Document IDFiledType
B160123 January 5, 2024 Service bulletin

What B160123 covers

Fuel system — the component vocabulary NHTSA files this communication under.

← All BMW X3 TSB years TSB lookup by model

Questions buyers ask

What is TSB B160123?

B160123 is a service bulletin filed with NHTSA by BMW, covering 2 BMW models across the 2018–2023 model years. NHTSA's summary reads: A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak:…

Which vehicles does B160123 cover?

NHTSA's file names BMW X3 (2018–2023); BMW X5 (2021). 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 B160123 a recall, and is the repair free?

No. B160123 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 B160123?

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 B160123, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 B160123. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.