MS41 M52B25 Naturally Aspirated Stage 1 Tune




This is a stage 1 NA tune for e36 323i or single vanos z3 2.3i or any other car running ms41 and an m52b25, can be optioned with EWS delete, various equipment deletes and optimizations by request. Must use stock injectors and MAF. 

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

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.