04-08 Series 3 3800 tuned ecm

Custom ECM tune for 2004-2008 3800 engines - Precise timing adjustments - Optimized fueling - Increased rev limiter - Temperature parameters modified to allow it to run hotter - Unnecessary sensors eliminated - Security removed This tuning is compatible with the stock harness, but you will need to install a push-button start and Hotwire your fuel pump.  Additionally, for derby applications, it is recommended to Hotwire your transmission. Please note that this tuning is intended for off-road use only.