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Service bulletin 13 04 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 id600536
Published by NHTSA1998-05-20
Manufacturer's number13 04 97
Manufacturer's date1998-01-01
Replaces13 04 97
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CONDITION WITH IDLE CONTROL VALVE BINDING AND WHISTLING NOISE FROM IDLE CONTROL VALVE. VEHICLES WITH M44 ENGINE *DB *YC

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

Engine

Vehicles listed
BMW 528I1996
BMW E36
BMW M51996

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