BMW X5 Owners & Service Manuals

BMW X5: Troubleshooting

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 Contents Of Engine Electrical System General

General Information Working on ignition system Removing and installing electronic control units Welding work (overload protection of control units) Disconnecting and connecting battery Disconnec

 Instructions For Removing And Installing Electronic Control Units

IMPORTANT: Disconnecting the vehicle battery will cancel the fault memories of control units. Consequently, before disconnecting the car's battery, always interrogate the fault memories. Invest

 Ignition Wires, Spark Plugs

FIRING ORDER Fig. 3: Firing Order (V8) REPLACING ALL SPARK PLUGS (N62, N62TU) Special tools required: 12 1 171 12 1 172 Necessary preliminary tasks: Switch off ignition Remove all IGNITION CO

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 Oil Filling, Dipstick

REMOVING AND INSTALLING/SEALING GUIDE TUBE FOR OIL DIPSTICK (N62) Necessary preliminary tasks: Remove intake air manifold. Drain engine oil. NOTE: For purposes of clarity, this work step is shown on the engine after it has been removed. Unlock and detach vacuum line (1). Release screws and re

 Gaskets And Seals

Head Gasket The head gasket design on the N54 is unique to that engine. It features a multi-layer steel design. There is no silicone rubber perimeter "shelf" as on the N52. This is not needed due to the aluminum block on the N54. The N52KP and N51 engines are still using the head gasket that is f

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