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.

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 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

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 Exhaust Manifold

REMOVING AND INSTALLING/REPLACING FRONT EXHAUST MANIFOLD (N52K) Necessary preliminary tasks: Remove rear exhaust manifold. NOTE: The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed. Remove control sensor from cylinders 1 to 3. Remove monitor se

 Starter Lead

REMOVING AND INSTALLING OR REPLACING BATTERY POSITIVE LEAD (BETWEEN ALTERNATOR, STARTER MOTOR AND JUMP START CONNECTION POINT) (N62, N62TU) REFERENCE CHART REMOVING AND INSTALLING OR REPLACING BATTERY POSITIVE LEAD (BETWEEN ALTERNATOR, STARTER AND BATTERY POSITIVE TERMINAL) (N62) REFERENCE CHART (N

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