B58 Gen 1 - BMW FXX GXX 140I 240I 340I 440I 540I 640I 740I 840I Z4M40I M140I M340I X3 M40I CUSTOM TUNECustom tuning for B58 Gen 1 is available for pump gas, race gas, full E85 and E85 blends, and methanol injection. Results will vary depending on hardware modifications, the fuel used, and the weigh traction of your particular B58 model. While full E85 tuning is possible on the B58s stock fuel system, we have found that an E50 blend produces the best overall results because it allows for more boost while still retaining good ignition timing. With E50

bootmod3 FlexFuel Plug and Play Kit:

Exhaust Gas Temps and others

then choose  "Paul Johnson Tunes"

Suggestion: Replace the OEM charge pipe MAP sensor with a 5 BAR OEM Bosch/BMW MAP sensor

Over the past decade

tear-away label for total wearing comfort

com for details

If you're looking to simply load a tune on the car without much datalogging and monitoring then using your laptop is the ticket for you

Within the Bootmod3 app you will go to your "My Maps" screen and click the button at the top "Request Custom"

100% Fully Plug and Play harness on the BMW Body Domain Controller (BDC/FEM) connector on Gen1 F-series B48/B58

Traction management by rpm/gear

What is FlexRay™