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      10-11-2012, 12:09 AM   #44
Light_Em_Up
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Drives: 128is
Join Date: May 2009
Location: N. Vancouver, BC

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3-Stage intake installed today (new manifold, installed by dealer). Got a discount though and hey, a two year warranty too! (3.5 hrs labour to install.) Drove on the highway for 20 minutes under varying conditions: Cruising at 2000 RPM, 3500 RPM, Full throttle accel to red line in 2, 3 & 4th gears a few times, then some neighbourhood driving (hills). And....., well almost nothing to report. I think that I've lost some of the growl from my PI, and maybe the above 4000 RPM acceleration is better - difficult to judge as the PI noise was less but the speed gain in 4th seemed faster. No difference in low end torque or throttle response - both have always been pretty good.

Will edit post with any changes that come along.

Jack
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'09 128i 6Sp Man Sport (263 18" wheels), Space Grey / Coral Red leather, BMW Perf Intake, Exhaust & Suspension, 3-Stage Manifold, AA Ver 2 tune, Carbon Filter & CDV Delete, Yoko S-Drives