13 51 630 Replacing fuel pressure regulator

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Necessary preliminary tasks:

Switch off ignition
Check fuel pump delivery pressure, refer to 13 31 029 Checking delivery pressure of fuel pump (COOPER S)
Remove injection pipe, refer to 13 64 541 Replacing all fuel injectors

Remove retaining clip (1) of pressure regulator.

Fig 1: Removing Pressure Regulator

Courtesy of BMW OF NORTH AMERICA, INC.

Turn pressure regulator (2) and remove.

NOTE: After removing pressure regulator, make sure filter of regulator is not left behind in housing.

Installation:

Replace sealing rings (1) and (2) of pressure regulator.

Fig 2: Identifying Sealing Rings

Courtesy of BMW OF NORTH AMERICA, INC.

Check whether filter (3) is fitted.

Oil sealing rings slightly to facilitate installation.