BMW X5 Owners & Service Manuals

BMW X5: Instructions For Removing And Installing Electronic Control Units

IMPORTANT:

Comply with the following when replacing the DME/DDE (Digital Motor Electronics/Digital Diesel Electronics):

NOTES ON CHECKING IGNITION SYSTEM

Troubleshooting

Oscillograms

Check

REMOVING AND INSTALLING ENGINE COMPARTMENT SUPPRESSION LINES (GROUNDING CABLES) (N62/TU)

Necessary preliminary tasks:

Release screw connection (1) of intake filter mounting.

Pull ignition coil covers (2) out of rubber grommets.

Troubleshooting
Fig. 1: Identifying Holder And Ignition Coil Covers

Release front screw connection of fuel injector wiring harness, screw down grounding strap with crimp connection again in upward direction.

Release ignition coil ground screw connection and screw other end of grounding strap to ignition coil ground again.

Installation:

Tightening torque: 12 52 3AZ.

The picture shows the right cylinder bank, the procedure for the left cylinder bank is identical.

Add final details to vehicle, read out fault memory.

Troubleshooting
Fig. 2: Identifying Ignition Coil Ground Wire

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 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

 Ignition Coil

NOTES ON CHECKING IGNITION SYSTEM Troubleshooting Fault in fuel injection system Spark plug faults Ignition coil faults Further fault patterns with evaluation Additional fault notes for troubles

 Electronic Switching Or Control Unit

REPLACING CONTROL UNIT (VALVETRONIC) Switch off ignition. Follow instructions for disconnecting and connecting battery. Disconnect battery. CAUTION: Follow instructions for removing and installing e

SEE MORE:

 xDrive

Principle xDrive is the all-wheel-drive system of the vehicle. Concerted action by the xDrive and and other suspension control systems, such as Dynamic Stability Control (DSC), further optimizes traction and driving dynamics. General information xDrive variably distributes the driving power to the

 Radar sensors

Front radar sensor The radar sensor is located in the front bumper. Radar sensors, side, front The radar sensors are located in the bumper. Radar sensors, side, rear The radar sensors are located in the bumper. System limits of the radar sensors The radar sensors may not be fully functional or ma

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