BMW 325CI 2003–2005 — technical service bulletin
Bulletin B160317 · NHTSA communication 10181217 · issued Sep 1, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2005
model years
7
vehicle entries
Official summary
E46 SULEV/PZEV: FUEL TANK DISPOSAL PROCEDURE: E46 M56 vehicles, in addition to meeting the SULEV (Super Ultra Low Emission) tailpipe emission standard, also conform to the Zero Evaporative Emissions (PZEV) regulations. In order to meet these strict standards, the SULEV's fuel tank is a completely sealed unit manufactured from a high-grade stainless steel.
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.