Mike's Workshop Manuals
: Service manuals for every vehicle
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BMW
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2017
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X3 xDrive28d
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Repair and Diagnosis
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General Information
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OEM General Information
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Functional Descriptions - F25 - Cooling System, Engine Performance
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Engine Performance - Functional Description
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Air supply (Ver.2)
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System functions
System functions
Descriptions of the following air supply system functions are provided:
Calculation of air mass
Charging pressure control
Idle speed control.