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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 Replacing Seat Cover For Left Or Right Front Seat (Normal/Semi-Electric)

Special tools required: 52 0 050. Necessary preliminary tasks: Remove front seat. Remove rear panel on front seat backrest. Remove inner cover on front seat. WARNING: US/CDN front passenger seat (with OC3 mat) only: To avoid damaging the OC3 mat, it is essential to carry out the following

 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 introduced via the engine oil into the engine's coolant system. Fig. 71: Identifying Cooling S

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