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Service bulletin 180101

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 id622337
Published by NHTSA2001-10-16
Manufacturer's number180101
Manufacturer's date2001-07-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

SERVICE INFORMATION ON NEW REAR MUFFLERS (LEFT AND RIGHT SIDE) PHASED INTO PRODUCTION ON M ROADSTER AND M COUPE MODELS ON 1/31/2001. *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, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
BMW M COUPE
BMW M ROADSTER

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