BMW X3 2018–2022 — technical service bulletin
Bulletin B160322 · NHTSA communication 10227547 · issued Oct 1, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2022
model years
9
vehicle entries
Official summary
The Check Engine Light is on (MIL). After checking faults and diagnosis there is raw fuel found in the charcoal canister and the NVLD pressure switch (in R/R wheel well). Possible faults stored in the DME: 190F08 - Fuel tank venting system: Malfunction 191C02 - Fuel tank venting system,2. discharge point: Malfunction The vent line inside the fuel tank is disconnected.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.