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

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 Engine Identification

Drive in engine numbers at marked surface with impact tool. M47 / M47TU / M47T2 Fig. 1: M47 / M47TU / M47T2 Engine Identification M57 / M57TU / M57T2 Fig. 2: M57 / M57TU / M57T2 Engine Identification M67 / M67TU Fig. 3: M67 / M67TU Engine Identification N47 Fig. 4: N47 Engine Identification M52

 Replacing Water Valve For Heater

WARNING: Scalding hazard! Work on the cooling system may only be carried out when it has cooled down. Follow instructions for working on cooling system! NOTE: Disconnect coolant hoses on water valve. Recycling Coolant emerges when coolant lines are detached. Have a suitable collecting container re

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