MegaSquirt plug and play options range from both the MSPNP Gen2 ecu and the MS3Pro PNP ecu.
As an authorized dealer with DIYAUTOTUNE, VL Performance has extensive experience with calibrating both of these ecu offerings.
DIYAUTOTUNE has put together a very nice package with high end standalone features at a very affordable price point.
Typical BMW builds which reference this calibration hardware are the 1987-1992 E30 325i, 1993-1995 325 M50, and M3 S50 platforms.
Typical Mazda builds builds reference this calibration hardware are the 1990-1995, and 1999-2005, Miata platforms.