David Clayson
Had one a while ago that had a fault code for EGR.
MAF looked OK but vehicle was also under powered, the air filter had broken up and part blocked MAF.
HTH
David
Message Thread 
BMW 330d 3.0 2002 - Black smoke under hard acceleration, code 1028 - Fixed # - Jamie Lambert April 7, 2011, 8:48 pm
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on April 8, 2011, 7:40 pm, in reply to "