BMW Z4 (2003-2005) MS45 ECU Tune - Alpha-N Tuning Method:FlashApp an EWS delete allows for

an EWS delete allows for "hot swapping" ECUs

This product is for an MS45 tune upgrade plus new tune

Examples include normal/high boost

775cc - Forced induction engines up to 420 whp on E85 / 560 whp on pump gas

and more with additional modifications such as catless headers

BMW Z4 (2003-2005) MS45 ECU Tune - Alpha-N Tuning Method:FlashApp an EWS delete allows forSee our full write up for more details and other tuning options! Alpha N: We are the ONLY tuners which can offer forced induction Alpha N tunes for MS45. With an Alpha N tune, the MAF sensor is eliminated, and load is calculated based on throttle plate angle (Alpha) and engine rpm (N). The advantages of alpha n tuning are: background compensation tables are bypassed; internal ECU airflow and load limiters become irrelevant; the tuning process is