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Item number 7 in the diagram is the MAF. Someone smarter than me is more than welcome to add on to this but the way I understand it is the MAF provides a voltage to ecu to indicate how much air is coming in, further down in the manifold is a MAP, manifold absolute pressure, sensor that is providing a reading to true up what the MAF sent if there is a difference the ecu will basically withhold fuel from that bank.
The other screenshot shows the MAP sensors as part number 10.
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2015 F06 M6 Silverstone Metallic II, Individual Full Leather, B&O, Night Vis, CCB, RKAutowerks (CP Rods/Pistons, DI Cams, CF Intakes, Coated DP's & Billet Diff Brace), InfinityAuto Turbo Inlets, Mishi Oil Cooler, JB4, XHP S3, BM S3
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