B Braaap12 Free Member Jan 4, 2010 #1 found this plug under the hood of my 09 m8, it doesnt really seem to go anywhere and I was just wondering if it has a purpose. thanks!
found this plug under the hood of my 09 m8, it doesnt really seem to go anywhere and I was just wondering if it has a purpose. thanks!
T tsnowak Active member Lifetime Membership Premium Member Jan 4, 2010 #2 factory/dealer plug in diagnostic port.
