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      09-12-2012, 09:08 AM   #5
Mustard3
Private First Class
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Drives: F31 340i
Join Date: Sep 2011
Location: South England

iTrader: (1)

My air filter was the same as you describe yours after only 20k miles from being changed at service....assuming the dealer did actually change it.

It was after my Evolve remap that my car started to show power loss problems. Not a fault with the map at all but the extra boost / stresses must highlight & exacerbate any weakness.