I wonder why bmw here in the states isn't reommended it on a regular basis (at least my dealership doesn't), especially since I have gone through bunch of injectors (even before any modification). Looks like it's time to give it a shot. I've used Chevron gas 95% of the time and Rebel (cuz they sell race gas), and yet I was going through them(mostly bank 4,5, & 6). Now I'm sticking with Shell only. I will wait till right before my next oil change. I wonder if it will also help the same injector issues with my wife's 2012 X5M. She's starting to get that shaky feeling you get before the injetors go out. Thanks a million for the great post.
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