bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

3 RA Checking CNG System For Leaks And Correct Pressure (E34) > < 2 RA Checking And Adjusting Adjustment Of CNG Low Pressure Regulator|Page 575
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Connect adapter line 13 8 023 with measuring adapter
13 8 022 from the metering unit (measuring point 2).

Adjust differential pressure to measuring point 2 (metering unit) on
adjusting screw (1).

Differential pressure 0.96-0.97 bar.

Note:

If the pressure does not alter despite several turns of the
adjusting screw, the first regulator stage is defective. To
achieve this, the entire low-pressure regulator must be
replaced.

Installation:

Perform leak and pressure test,

refer to 13 80 600.

RA  Checking and adjusting adjustment of CNG low pressure regulator

BMW AG - TIS

15.01.2013  13:25

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

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3 RA Checking CNG System For Leaks And Correct Pressure (E34) > < 2 RA Checking And Adjusting Adjustment Of CNG Low Pressure Regulator|Page 575