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Service bulletin 110601

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 id626476
Published by NHTSA2001-12-14
Manufacturer's number110601
Manufacturer's date2001-10-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SUBJECT REGARDING ENGINE OIL VISCOSITY CHANGE. *JG

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 M COUPE2000 to 2001
BMW M ROADSTER2000 to 2001
BMW M32000
BMW M32001

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

Other bulletins for the same vehicles and component
SI-B12-22-082010-04-14. Service bulletin. BMW: VOLUNTARY EMISSIONS RECALL 08E-A03; M3 S54-DME REPROGRAMMING FOR CATALYST CONVERSION DIAGNOSIS. THE DME PROGRAMMING, AS ORIGINALLY INSTALLED, MAY CAUSE THE OBD DIAGNOSTIC TO ERRONEOUSLY EVALUATE THE EFFICIENCY OF THE CATALYTIC CONVERTERS. *PE
SI-B11-07-092009-12-09. Service bulletin. BMW: THERMOSTAT HOUSING INSPECTION. THE RETAINING SPRINGS OF THE THERMOSTAT HOUSING QUICK RELEASE COUPLINGS FOR THE COOLANT HOSES MAY NOT BE LOCKED CORRECTLY. THIS SITUATION MAY RESULT IN A COOLANT LEAK. MODELS AFFECTED ARE M3 SEDAN (E90), COUPE (92), AND CONVERTIBLE (393). NO MODEL YEARS LISTED. *PE
SI-B12-22-082009-07-06. Service bulletin. BMW: AS ORIGINALLY INSTALLED, THE DME PROGRAMMING MAY CAUSE THE OBD DIAGNOSTIC TO ERRONEOUSLY EVALUATE THE EFFICIENCY OF THE CATALYTIC CONVERTERS. MODEL E46 (M3) COUPE AND CONVERTIBLES. *PE