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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > F30 JB4 Stage2 Dyno Testing
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      08-21-2013, 08:19 PM   #353
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Originally Posted by jetbill View Post
Anyone know what could be expected with a stock downpipe running the E85 with the JB4?
I'm not sure if this would be considered stage two because it's a stock downpipe?
Ive run map2 on 93+ and stock downpipe, its not as smooth as map1, but there is more power there...I dont think you would do any serious harm by trying it out, just make sure you have 93+ and go for it...
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      08-21-2014, 03:16 AM   #354
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Originally Posted by NICKTENN View Post
Here's a pic of a pneumatic boost solenoid (notice the tube with green lettering)

hi there this might sound stupid but is this the wastegate solenoid or not im trying to find out what the wastegate solenoid looks like on my 2011 n55 can anyone help ?
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