I also have the atak on my e90 however i also have it paired with turner test pipes and the thing screams! oh and add a BPM tune...forget about it!
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2011 BMW M3 Le Mans Blue - mOBridge DA1 \ Helix DSP Pro \ HAT Legatia L4SE Carbon \ HAT L1 Pro R2 \ HAT Clarus C10SW-D2 (2) \ Jehnert XE200 \ Hertz HDP1 \ Hertz HDP 4 \ Hertz HCP 2
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