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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Curious: Stage 1+ without FMIC?



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      05-25-2013, 11:31 PM   #1
///Macht
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Curious: Stage 1+ without FMIC?

Can it be done? I know that without an aftermarket intercooler, IAT's will skyrocket, but can damage be done to the car by running Stage 1+ without an aftermarket intercooler? What about if you blend E85 with 93 while running Stage 1+ without an aftermarket intercooler?
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      05-26-2013, 01:12 AM   #2
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Its not going to work unless ambient temps are very cold, and even then youll probably be pulling timing after a few roll ons. The OE intercooler cant support the platform stock imo, its crap. Upgrade it and run the maps properly.
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      05-28-2013, 12:41 PM   #3
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This was asked few months ago...responces were as I recall - yes the car will protect / correct if your IATs get out of hand and the scalers for the 1+ map occur at ~3500 rpm on up from the 1 Agg map.

Here in the Midwest the ave temps stay cool enough that one 'could' casually enjoy the 1+ map almost 6 months of the year.
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      05-28-2013, 01:13 PM   #4
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That is a bad idea. There are reasons why maps have stages. You would probably be best off getting a pro tune.
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