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Service bulletin 620600

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 id616133
Published by NHTSA2001-02-12
Manufacturer's number620600
Manufacturer's date2000-12-01
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

SOME VEHICLES PRODUCED UP TO 2000 MAY EXHIBIT AN AMBIENT TEMPERATURE GAUGE WITH INCREASING ENGINE TEMPERATURE. *TT

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 E39

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