October 1, 2012 Service bulletin

"N63 and N74 Engine: ISTA/D 2.33 Diagnostic Error in the Low-pressure Fuel Supply Sensor Value

BMW technical service bulletin 130612 for 2007-2013 BMW X5, 2011-2013 BMW 528I and 2011-2013 BMW 535I and others.

Bulletin number: 130612
Component: Fuel system, gasoline
Summary: "N63 and N74 Engine: ISTA/D 2.33 Diagnostic Error in the Low-pressure Fuel Supply Sensor Value. INFORMATION When diagnosing the low-pressure fuel supply sensor with one of the following test plans and ISTA/D 2.33, an error will be encountered in the display. The value of the low-pressure fuel supply sensor will read 0 bar at all times. B1214_DI6KNDR D18KHDR AT1214_DIKNDR AT1214_DIKHDR Do not replace the low-pressure fuel supply sensor. The operating pressure of the low-pressure fuel supply sensor can found in ""DME Diagnostic Query"" using the following procedure: 1. Exit the test plan and return to the control unit tree. http://www.bmwtis.net/tiscode/cgi-bin/omcgi.exe?sie_path=/tsb/bulletins/htm_store/14907...11/7/2012 Page 2 of 2 2. Select ""DME"" in the control unit tree. 3. Select "" Call Up ECU Functions."" 4. Select ""Diagnostic Query."" 5. Select ""Fuel Pressure (Low Pressure)."" 6. Select ""Query Status."" The engine must be running to verify operation of the pressure sensor. The software error will be corrected in ISTA/D 2.34, scheduled for release in December 2012. "

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