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#15: 12-21-2010, 10:21 PM
 
 doccrowley
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Title: FahrvergnügenWagen
Rank: Donating Member
Location: Utah
Car: 06 Audi S4 6MT Avant IMOLA Yellow
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so, what has been diagnosed in my car as a wastegate flutter might actually be BPV flutter?

Stock BPV and stock wastegate in my Perrin TMIC, Gimmick afta maf and inlet tube, CoBB lite pulley, COBB UP, CNT catted DP to X02 exhaust, K&N panel filter all on stock VF-40. 19psi tune.

** By the way, ran zero re-circ for a week on my 5EAT and it was an utter disaster at anything other than full throttle. So much stutter it was crazy at partial throttle and a huge jerking motion when letting off the throttle. That's what I get for destroying the re-circ hose when I installed the new turbo inlet tube.**

Summary: do I need an AVO 15psi solid boost actuator to solve current stutter or an upgraded BPV? Or both?

Thanks.