Aidan Birley
Is the EGR system working correctly & clear of blockages ? Loss of EGR for whatever reason will increase MAF,
If not already done you need to check for intake air leaks
Cheers Aidan
Message Thread 
BMW 330d M57D30 2001 - Air flow meter fault - Ongoing # - Alan Lange March 8, 2013, 10:52 pm
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on March 9, 2013, 7:36 am, in reply to "