BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > BMW software DOWNgrade for 335i

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      08-30-2007, 07:18 PM   #23
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Drives: e92 335
Join Date: Feb 2007
Location: Chicago

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every car doesn't get made the same exact way per millimeter...sometimes things are a lil off...mostly though in other duplicate cars i and or my family/friends have had usually they are a lil diff even though it says exact same model and displacement....but they are not all exactly the same!!! but mostly temp humidity and break in is what causes it since cars are not put through the exact same break in day for day road for road time for time temp for temp so variables are going to be a lil off but 10 hp is about the average i have seen on these 335's give or take!!!
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      09-01-2007, 01:44 PM   #24

Drives: 2013 335i M Sport
Join Date: Apr 2007
Location: Wall St

iTrader: (2)

FI engines do NOT like heat and humidity.

My chipped S60R lost about 15-20 HP in the summer. 21psi of boost and a horrifically bad IC design made that car alot more succeptible to heat than the 335i (they put the A/C condenser in FRONT of the IC, so the air was being preheated before cooling the IC)
Past: 2004 S60R 6MT
Past: 2007 E90 335i 6MT
Past: 2010 335xi ZMP, MPPK, MPE
Past: 2013 335i 6MT ZMM/ZDH/ZTP/3AG/494/508
Present: 2016 F34 335i xDrive ZCW/ZDA/ZDH/ZTP/ZMP/2V5/5DL
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