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Service bulletin 64 06 97

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id54137
Published by NHTSA1998-03-30
Manufacturer's number64 06 97
Manufacturer's date1997-11-01
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

CONCERNS OF HUMMING / DRONING TYPE NOISE FROM A/C SYSTEM. *AK

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories, Heating and air conditioning

Vehicles listed
BMW BMW1997 to 1998

Listing a model year does not mean every vehicle of it is concerned: the document says which.