Thread: Rebuild time!
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      01-04-2013, 06:47 PM   #29
benzy89
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Drives: '08 E90 335i
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2008 BMW 335i  [3.75]
Quote:
Originally Posted by Jeff@topgearsolutions View Post
What do you mean piggy's cant control fuel? If that were the case they would all be running super lean with all the added boost.
They just maintain an AFR target & the OEM DME (completely independent) responds. It explains why a lot of the high HP piggys need "fueling flashes" to maintain an optimal ~12 AFR