0491200 128000 MW Adapter: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
(Test adapter, 56-pin) For checking the engine wiring harness on compressed natural gas vehicles