BMW 318 1994 — technical service bulletin
Bulletin 640594(4123) · NHTSA communication 42053 · issued Apr 1, 1995
Technical service bulletin
communication type
Equipment
component
1994
model years
2
vehicle entries
Official summary
Ratcheting/clicking noise from a/c compressor after turn-off. *tw
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.