13 53 596 Replacing the rail pressure sensor (B48, B46)

WARNING: This page is about a different car, the 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, 2015 MINI Cooper, and 2014 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe warning on cylinder head cover.
Disconnect NEGATIVE BATTERY TERMINAL (risk of fire due to short circuit on dismantling).
Electric fuel pump starts up automatically when door is opened!
Carry out installation work on fuel system only with coolant temperature below 40 °C.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Attention !

Wear full face guard and protective gloves.

Fuel can emerge spontaneously at high speed when the high pressure line is released!

Attention !

Adhere to conditions of absolute cleanliness when carrying out repairs on the high-pressure fuel system.

Introduced contaminants can cause malfunctions in the system!

Do not allow any dirt particles or foreign bodies to get into the system.
Remove all traces of contamination before removing lines or separate components.
Use only lint-free cloths.
Seal all fuel system openings with protective caps or plugs.

Recycling:

Fuel escapes when fuel lines are detached.

Catch and dispose of escaping fuel in a suitable container.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Remove ACOUSTIC COVER .
Remove IGNITION COIL . (First cylinder)

Removal:

Unlock connector (1) and pull off.

Loosen the rail pressure sensor (2) and remove.

Close the rail with fitting plugs if necessary.

Fig 1: Rail Pressure Sensor And Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Screw in and tighten the rail pressure sensor (2) into the rail.

Tightening torque 13 53 1AZ .

Plug connector (1) into rail pressure sensor (2).

Connector (1) must engage audibly.

Fig 2: Rail Pressure Sensor And Connector

Courtesy of BMW OF NORTH AMERICA, INC.