# Service bulletin SIB\-12\-15\-05

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.

- Type: Service bulletin
- NHTSA id: 10032990
- Published by NHTSA: 2010\-06\-21
- Manufacturer's number: SIB\-12\-15\-05
- Manufacturer's date: 2010\-04\-01
- NHTSA component: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

BMW: DIAGNOSIS OF DME ME 9.2 MAP THERMOSTAT FAULT 2EF4/279B. THE SERVICE ENGINE SOON LIGHT ILLUMINATED. THE ENGINE DOES NOT OVERHEAT AND THE MAP THERMOSTAT OPERATES PROPERLY. POSSIBLE CAUSES ARE DETERIORATION OF COOLANT QUALITY; INCREASED CONTACT RESISTANCE BETWEEN THE THERMOSTAT TEMPERATURE SENSOR, THE ENGINE WIRING HARNESS AND THE DME CONNECTOR; INTERNAL DEFECT OF A MAP COOLING THERMOSTAT. \*PE UPDATED 11/17/10. \*PE

## 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

Electrical system, Engine

## Vehicles listed

- 1985 to 2005 BMW 6 SERIES
- 1994 to 2005 BMW 7 SERIES

JSON: [/v1/bulletins/10032990](/v1/bulletins/10032990)

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