M838T Motorsport Tuning Package

M-Engineering Motorsport Package is for those who are looking for an edge with even more features past Map Switching, Data Logging, and other basic M-Engineering features. Motorsport Package currently includes: Rolling Anti-Lag Custom Boost Control Custom Engine Safeties Custom Injector Characterization Please note, this product first requires the purchase of M-Tuner and is not a standalone product.   Return Policy: All sales are final and non-refundable. M-Engineering provides specific software calibrations for individual vehicle use and is not liable for misuse or vehicle behavior due to installation error or mechanical issues. M-Engineering will work one-on-one with individuals to assist with remote diagnosis to vehicles to our best ability and advise next-action steps as needed. End-users are responsible for vehicle maintenance, integrity of aftermarket parts installation, and having their vehicles up-to-date with their manufacturer's latest updates and TSB's.   Disclaimer: You a