BMW X5 Owners & Service Manuals

BMW X5: Emissions Management

The N54 and N52KP meet ULEV II requirements for 2007. There are not many changes to the emission systems on these engines. The N54 engine has 2 underbody catalysts in addition to the "near engine" catalysts already in use from the N52.

The N51 engine, however, is a SULEV II compliant engine which meets the 2007 requirements. In addition to the 5 existing SULEV states of California, New York, Maine, Massachusetts, and Vermont - four states have been added for 2007. These states include, Connecticut, Rhode Island, Oregon and Washington State.

The N51 emissions measures include:

NOTE: The SULEV II information above is only preliminary and is accurate as of 8/06.

Additional information will be released as it becomes available.


 Performance Controls

Cooling System The cooling system of the N54 engine consists of a radiator circuit and an isolated oil cooling circuit. The fact that there is an isolated oil-cooling circuit ensures that heat is not

 Steering And Wheel Alignment

 Electronic Chassis Alignment


 Air Conditioner Refrigerant

FREON The refrigerant Freon R12 is used in most BMW automobiles with an air conditioner up through the 1992 model year. It has a boiling point of - 29.8ºC (sea level), at which the refrigerant is transformed from a liquid into a gaseous state. This boiling point, however, is not constant. It is

 Danger Of Poisoning If Oil Is Ingested/Absorbed Through The Skin

Danger of poisoning! Ingesting oil or absorbing through the skin may cause poisoning! Possible symptoms are: Headaches Dizziness Stomach aches Vomiting Diarrhoea Cramps/fits Unconsciousness Protective measures/rules of conduct: Pour oil only into appropriately marked containers Do not po

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