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The MHD Flasher F+G Series is a complete flash tuning app for your BMW. Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms. This allows for maximum performance,maximum safety, and unrivaled drivability. You can install MHD right at home and tune your N55 immed

Save on MHD Super Tuning License for N55 with a MHD Tuning promo code

Checkmate is a savings app with over one million users that have saved $$$ on brands like MHD Tuning .

The Checkmate extension automatically applies MHD Tuning discount codes, MHD Tuning coupons and more to give you discounts on products like MHD Super Tuning License for N55.