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Originally Posted by hellomyBMW
I did purchase a COBB AP and I should have it by next week. Additional comparison between JB4/COBB will be followed after using COBB AP so please stay tuned.
I do have couple questions about COBB AP. Because there are numerous different OTS maps available off COBB website,
1. How do you know which map to go with? Currently I have BMS DCI only. Will I receive any codes if I run Stage2+FMIC Aggressive map (linear throttle) even though it says FMIC, DP is required?
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The maps will be based on your current modifications. Being that you have a DCI only, you will want to run the Stage 1 OTS maps only. Of the stage 1 maps, you have Drive (least aggressive), Sport (medium aggressiveness), and Aggressive maps to choose from. As long as you have access to 93 oct, you can run the aggressive maps.
Quote:
Originally Posted by hellomyBMW
2. Can you run RACE maps? Since 335is has extra cooling capability, are you able to run maps that exceeds your FBO requirements such as FMIC/DP/Exhaust mods? (Not for everyday commute)
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The Cobb RACE maps are only recommended for cars with upgraded intake, intercooler, catless or high flow catted downpipes and either an ethanol mix or race gas.
Quote:
Originally Posted by hellomyBMW
3. Are there any protune shops in Michigan for Michigan N54 owners? If not, does e-protune have that much effect over regular protune? What is the gain after e-protune/protune compared to OTS maps? I understand that protune is specifically designed for your own vehicle but there must be an average gain right?
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You can check Cobbs website for shops that offer protuning. Etune is a great option, and our resident protuner Jake from Protuningfreaks.com is a great guy that can get you some terrific results. Since you like the power that E85 offers, i would suggest contacting him and getting an Etune for some ethanol. Without all the supporting mods to run the Cobb OTS Race maps, an Etune/protune is the only way to take advantage of ethanol.