13 53 560 Removing and installing/replacing pressure sensor on pressure accumulator of injection system (N47 D20 O1)

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IMPORTANT: When working on the oil, coolant or fuel circuit, you must protect the alternator against dirt contamination.
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator malfunction.

Necessary preliminary work:

Read fault memory.
Read out ignition.
Remove PRESSURE ACCUMULATOR .

Recycling:

Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

Grip removed rail (2) at flattened area.

Cover plug-in contacts on pressure sensor and remove thread-locking sealant from thread with a suitable cleaning agent. Remove any adapters that may be connected to the pressure sensor. Clean threads and sealing surface on the pressure accumulator and seal with a protective cap.

NOTE: Grip at pressure accumulator when removing pressure sensor (3).

Fig 1: Identifying Pressure Sensor And Rail

Courtesy of BMW OF NORTH AMERICA, INC.

Check threads and sealing surfaces for damages prior to installing the pressure sensor. Ensure conditions of cleanliness when installing pressure sensor (1). Lightly grease thread on pressure sensor. Screw in pressure sensor by hand and then tighten.

Tightening torque: 13 53 3AZ .

Fig 2: Identifying Pressure Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check fuel system for leak tightness.

Reset quantity mean value adaptation with BMW diagnosis system.