REP-TAT-P-1331-05 Check fuel delivery pressure

WARNING: This page is about a different car, the 2018 BMW 340i, 2017 BMW 340i, and 2016 BMW 340i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Working on fuel system.
Risk of fire! Danger of explosion!

When working on the fuel system, make sure that the workbay is sufficiently ventilated, e.g. using extraction unit.
Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
No fire, sparks, open flames or smoking.

WARNING: Contact with hazardous fluids.
Hazardous to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Loosen clamp (1).
Unclip the cover (2) from the holders in the indicated area towards the top.

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Detach the circlip (1).

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Release lock (1) in direction of arrow.
Detach the fuel hose (2) from the fuel line (3).
Catch and dispose of escaping fuel.

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Unscrew the adapter from the special tool 0 491 310 (13 5 270) (1).

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Check

Insert special tool 0 491 310 (13 5 270) into disconnected fuel line.
Screw onto special tool 0 491 310 (13 5 270), the special tool 0 496 623 (11 4 310).
Screw 0 496 623 (11 4 310) the IMIB 100 bar pressure sensor (1) onto the special tool.
Connect the IMIB 100 bar pressure sensor (1) to the Integrated Measurement Interface Box (IMIB).
Establish fuel delivery pressure.

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Result

» Read the fuel delivery pressure on the Integrated Measurement Interface Box (IMIB) and compare it with the values in the diagnosis system.

Measure

Follow the instructions of the diagnosis system.
After completion of the measurement: Disconnect and remove the special tool 0 491 310 (13 5 270) with the special tool 0 496 623 (11 4 310) and the IMIB 100 bar pressure sensor (1) from the feed line.
Catch and dispose of escaping fuel.

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Connect the fuel hose (2) to the fuel line (3) in the direction of the arrow and lock it.
The lock (1) must audibly engage.

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Fit circlip (1).

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Clip in the cover (2) into the holders in the indicated areas.
The cover (2) must engage audibly.
Secure the clamp (1).

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