BMW X5 Owners & Service Manuals

BMW X5: Electronic Switching On Or Control Unit

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 Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). IMPORTANT: Aluminum-magnesium materials. No steel screws/bolts may be used due to the threat of ele

 Replacing Pulse Generator On Inlet Camshaft (N52K)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). Necessary preliminary tasks: Read out fault memory of DME control unit; if necessary, work through

 Replacing Control Unit (DME)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). Necessary preliminary tasks: Switch off ignition Disconnect battery negative lead. Remove microf

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 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

 Valvetrain

The valvetrain on the N52 introduced in 2006, used 5 mm valve stems on both the intake and exhaust. To increase durability, the exhaust valve stems were increased to 6 mm from 6/06 production. All of the new NG6 engine have adopted the 6 mm valve stem for the exhaust, the intake stem remains at

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