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Looking to run higher power levels with your //M in an easy to install and remove package with stock like power delivery? Then look no further than the BMS Stage 1 Performance Tuner.The BMS Stage1 tune is the gold standard in //M performance, reliability, and value. It installs and removes in minute...

This plug and play tuner attaches to sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It's designed specifically for the N63 and S63 motors. Stage1 gains on the N63 are up to 40whp range on pump g...

Gains are 104whp on pump gas and up to 198whp on higher octane or E85 mixtures.The ultimate tune for your 2016-2022 G12 BMW M760Li xDrive V12. The JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 includes many unique features not found in any other tune, includ...