I'm personally not concerned with one making 5-15 more hp. Whatever tune runs my motor in manner in which is makes good power and is happy (meaning no knock) is what prefer. For my car the JB4 just wasn't a great solution, lots of timing correction whether it was 95F out or 70. My logs with the Cobb are spot on with what you'd want to see.
I think if your OK with the fact that a FMIC upgrade will greatly improve the functionality of a solution that targets load the Cobb is a fantastic option.
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08' 135i MT || Cobb Stage 1 'Aggressive' 4.01 Map | BMS DCI | Berk Mid Pipes | Maddad Eurosport Axleback | E93 FSB | M-Sport Black on Black | CDV Delete ||
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