bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

2 RA Removing And Installing_replacing High-pressure Rail (N54, N53) > < 1 RA Removing And Installing Or Replacing High-pressure Fuel Pump (N54, N53)|Page 528
Page 6
background image

Note:

Feed lines with soldered holder must be replaced by new version
with elastomer clamp holder. Observe installation position of fuel
low-pressure sensor. Lines for solenoid switches are laid behind
fuel line.

Install feed line (3).

In so doing, tighten screw connection hand-tight only 

Important!

Follow sequence of screw connections:

1. 

Tighten down nut (1) with special tool  13 5 020 .
Tightening torque 13 53 6AZ

.

2. 

Tighten screw (2). Replace aluminium screw. Tightening
torque 13 53 9AZ

.

Assemble engine.

Check fuel system for leaks.

Check function of DME.

RA  Removing and installing or replacing high-pressure fuel pump (N54, N53)

BMW AG - TIS

22.02.2013  10:47

Issue status (12/2007) Valid only until next DVD is issued

Copyright

Page  - 6 -

2 RA Removing And Installing_replacing High-pressure Rail (N54, N53) > < 1 RA Removing And Installing Or Replacing High-pressure Fuel Pump (N54, N53)|Page 528