Different MAFs, my experience - The Unofficial BMW M5 Messageboard (m5board.com)

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Different MAFs, my experience

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19th June 2007, 20:53	#1
Envisage0 Member, P500 Sport, MDM on (>800) Join Date: Jan 2007 Location: Yorkshire UK Garage: E39 M5 Avus Blue Sales Feedback: (0) Thanks: 175 Thanked 133 Times in 90 Posts	Different MAFs, my experience I posted some time ago about whether Board members had experience of Pierburg MAFs used in the Beast. There were no responses that helped definitively, but I bought them to try anyway because they appeared to be good value. My report is that they are not a good idea, based on my experience. After 2000 miles of trouble free, my engine started 'hunting' - idling revs fluctuating between 600 and 1500. I got some MAFs from Performance Cafe (Bosch VW) and the engine is now happy, steady, smooth and responsive. Why this is I don't know, but so be it. __________________ **** it, let's do it - Australian proverb

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