MS43 M54B30 Naturally Aspirated Stage 1 Tune




This is a stage 1 naturally aspirated (NA) MS43 tune for e46 330i, e39 530i, z3 3.0, e53 3.0 or any other car running ms43 and an m54b30, can be optioned with EWS delete, various levels of burble, and various equipment deletes and optimizations by request. Must use stock injectors and MAF. This tune is not for rwd 04-06 ms45-equipped e46 models.

Emissions information


Any configuration of a setup that deletes any part of the emissions aparatus will not achieve OBD emissions readiness with our software. And is intended for off-road use only.

Remote and mail-in tuning options available for this product.

For more information on remote tuning and our process

Flashing directions