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No code expert, but why not find a good Indie with good scanner/BMW menus and have him read your code(s)?
I had P0172, AZ read it generically, and then a good local Indie nailed it via a specific menu/sub menu and replaced the exhaust camshaft sensor...
Rather than throwing parts, fiddling with MAF/DISA, get it read and then chase the part(s) repair.
GL, mD
Last edited by motordavid; 01-09-2016 at 10:47 PM.
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