Stock tune with fmic

luca335i · 12-18-2008, 02:58 PM

anyone seeing lower boost levels on their gauge with fmic and no tune. Also weather is minus 2. So does the stock tune keep boost levels a little lower in cold weather. What's the apriximate pressure drop with spearco ic and stock tune.

jcarlucci1 · 12-18-2008, 04:34 PM

The ecu drops boost as intake temps get lower..

OpenFlash · 12-18-2008, 04:36 PM

Your seeing lower boost due to the reduction in IAT due to the IC. The sub-freezing ambient temps isn't helping either. All the aftermarket ICs will/should have a lower pressure drop than the stock IC at moderate to high flow levels. Not sure what the difference is at stock boost levels. Probably insignificant.

luca335i · 12-18-2008, 04:41 PM

does procede hold off on boost in cooler Temps like the stock tune?

OpenFlash · 12-18-2008, 04:45 PM

Quote:

Originally Posted by luca335i

does procede hold off on boost in cooler Temps like the stock tune?

Doomsday maps, yes. Just to stay under the manipulation code radar. nonDoomsday maps, not so much

shiv

12-18-2008, 02:58 PM	#1
luca335i Major 62 Rep 1,193 Posts Drives: 335I Sedan Join Date: Jan 2008 Location: Unknown iTrader: (3)	Stock tune with fmic anyone seeing lower boost levels on their gauge with fmic and no tune. Also weather is minus 2. So does the stock tune keep boost levels a little lower in cold weather. What's the apriximate pressure drop with spearco ic and stock tune. __________________
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12-18-2008, 04:34 PM	#2
jcarlucci1 Lieutenant Colonel 70 Rep 1,642 Posts Drives: Jet Black 335i Join Date: Mar 2007 Location: Tampa iTrader: (10)	The ecu drops boost as intake temps get lower..
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12-18-2008, 04:36 PM	#3
OpenFlash 1809 Rep 17,960 Posts Drives: A Lot Join Date: Sep 2006 Location: SF Bay, CA iTrader: (0) Garage List 2018 Ducati Panigal ... [0.00] 2016 Mazda CX5 [0.00] 2017 Aprilia Tuono ... [0.00] 2019 BMW M2 Competi ... [0.00] 2015 BMW M5 Competi ... [10.00] 2016 Ducati XDiavel S [0.00] 2016 AMG GT S [0.00] 2011 Ferrari 458 It ... [0.00] 2017 Charger Hellcat [0.00] 2015 KTM Super Duke ... [0.00] 2016 KTM RC390 [0.00]	Your seeing lower boost due to the reduction in IAT due to the IC. The sub-freezing ambient temps isn't helping either. All the aftermarket ICs will/should have a lower pressure drop than the stock IC at moderate to high flow levels. Not sure what the difference is at stock boost levels. Probably insignificant.
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12-18-2008, 04:41 PM	#4
luca335i Major 62 Rep 1,193 Posts Drives: 335I Sedan Join Date: Jan 2008 Location: Unknown iTrader: (3)	does procede hold off on boost in cooler Temps like the stock tune? __________________
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