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International Automotive Technicians Network
Re: Abnormal high MAF reading - Cause?
Posted to Technical Discussion Forum on 3/3/2020

G'day Mauro, I am a little rusty with my BMW models but is the engine turbo charged? If so it may have a pre throttle plate air leak in the induction system. At idle speed boost pressure is low but air volume is relatively high. In other words any air that byp... Login to read more.