Fuel System - Misfueling Protection Bypass Adapter

SI B 16 03 08
January 2009

Fuel Supply Systems
Technical Service

This Service Information bulletin supersedes S.I. B16 03 08 dated January 2009.

[NEW] designates changes to this revision

SUBJECT
Diesel Misfueling Protection Bypass Adapter

MODEL
2009 E90 335d produced up to 12/2008
2009 E70 X5 xDrive35d produced up to 12/2008

SITUATION
Some diesel vehicles distributed in December 2008 may not have been equipped with a Diesel Misfueling Protection Bypass Adapter (DMBA). The adapter would normally be shrink-wrapped to the Vehicle Portfolio. For vehicles received without a DMBA, we request that one be obtained and placed into the vehicle while performing the QC1.

BMW Advanced Diesel vehicles are equipped with a fuel-filler neck that incorporates a misfueling protection system, to prevent gasoline from being mistakenly pumped into the vehicle. If the vehicle is started with gasoline in the fuel tank, internal engine damage will occur.

Only fuel nozzles of the recommended diameter for diesel passenger vehicles can be inserted into the filler neck. Most diesel fuel stations have fuel nozzles with the recommended diameter fitted to their passenger vehicle diesel fuel pumps. Unfortunately in some locations, fuel nozzles of different diameters may have been fitted to passenger vehicle diesel fuel pumps.

The DMBA (1) will enable refueling of the vehicle in emergency circumstances where the fuel station is using the approved Ultra-Low Sulfur Diesel (ULSD), but has a non-standard sized filling nozzle (i.e. gasoline nozzles have a smaller, 21mm diameter), or when using a larger diesel nozzle intended for use on commercial vehicles.

Note:
Insert the DMBA into the filler neck so that the offset section is up. ULSD has a maximum sulfur content of 15 parts per million (ppm) and is labeled accordingly on the fuel pump.

Refer to SI B00 04 08 and SI B00 05 08 for more information about the QC1 and maintenance on these models.





PARTS INFORMATION

WARRANTY INFORMATION





Covered under the terms of the BMW New Vehicle Limited Warranty.





Disclaimer