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- Newly released GIAC performance software for the 2001-2006 e46 M3 w/ VF-Engineering or K&N Cold Air Intake smoothly delivers a 3-25whp and 10-20 ft/lbs gain in torque.
- Can be performed in-house at Tunerworks without having to ship ECU out for programming.
- For optimum performance, the software must be coupled with VF-Engineering or K&N Cold Air Intake (Specific files for each intake, other intakes may not be compatible)
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