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      03-30-2011, 10:22 AM   #25
AlpineSwift's Avatar

Drives: 2008 335Xi Coupé
Join Date: Feb 2010
Location: Castle Rock, CO

iTrader: (3)

I made my own thread documenting my experience a couple months ago. In short, after a long complicated ordeal of trying to get the engine to stop surging at different RPM's and losing MPG/Low end power, I gave up. There have been a few people that have said the AA tune fixes the issues I was having with it but I wasn't willing to drop the $500 at that time for a minimal gain. Until I end up getting Gavin's headers, I'm gonna wait on the AA tune since it can be adjusted for the mods on my car.
E92 '08 335Xi 6AT - Cobb AP3 Tuned by MAC Autosport, Original Prototype Xi DOCRace 6266 Single Turbo Swap, VRSF CP w/Synapse BOV, VRSF 7" FMIC, BMS Cowl, H&R Coilovers, Renn Motorsport RS-51's, Stoptech Stage 2 Slotted, xHP Stage 3, Earl's Racing Oil Cooler, Turner Boost Gauge, M3 Lip Spoiler.
Standing Mile Record Holder for Xi over a mile high: 168.2MPH @ 5512'; The Colorado Mile hosted by The US Mile.