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Service bulletin 12 02 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 id52257
Published by NHTSA1997-07-17
Manufacturer's number12 02 97
Manufacturer's date1997-04-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

M52/S52 MISFIRE FAULT CODES 238, 239, 240, 241, 242 OR243. *TW

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 328I
BMW Z3

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