BMW X5 Owners & Service Manuals

BMW X5: Fuel Supply And Management


 N52KP And N51 Fuel System

The N52KP and N51 engine continue to use the conventional "manifold injection" system carried over from the N52. The fuel supply components are also carried over with regard to the EKP module, fuel

 HPI Function

The fuel is delivered from the fuel tank by the electric fuel pump via the feed line (5) at an "feed" pressure of 5 bar to the high pressure pump. The feed pressure is monitored by the low-pressure

 Limp-Home Mode

If a fault is diagnosed in the system, such as e.g. failure of the high-pressure sensor, the fuel-supply control valve is de-energized; the fuel then flows via a so-called bypass into the rail. In t


 Emission Control, Oxygen

REPLACING LEFT OXYGEN CONTROL SENSOR (N62/N62TU) Special tools required: 11 7 030 11 9 150 (cylinder bank 5 to 8) Necessary preliminary tasks: Switch off ignition Remove reinforcement plate WARNING: Scalding hazard! Only perform this task on an engine that has cooled down. Unlock and detach

 Removing And Installing Or Replacing Left Output Shaft

Special tools required: 31 4 170 Remove front wheel. IMPORTANT: Expand turning lock sufficiently to avoid damaging thread when releasing collar nut. Release collar nut (1), press brake pedal to floor for this purpose. Fig. 140: Identifying Collar Nut Remove left microfilter housing cover. IMPOR

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