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      05-04-2017, 10:40 PM   #1
Alex@Redline360
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Drives: 2012 M3 E92 ZCP DCT
Join Date: Aug 2015
Location: California

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Redline360: BMW M3 E90/E92/E93 M3 E85 Flex Fuel Kit



Redline360 is proud to offer the AFD Flex Fuel Kit for the E9X M3!

PROFLEX Commander for E9x M3
The PROFLEX Commander for E9x M3 is full bolt on and gives your vehicle full flex fuel capability, meaning that right out of the box you can run gas, E85, or any blend seamlessly without the need to tune or switch maps. Unlock your M3's hidden power by running E85! Please see our dyno page for M3 dyno data.

Stock M3 Picks Up 52WHP in Best Dyno Pull on the Same Day



The E92 BMW M3 is a fast car to begin with, but we were pleasantly surprised how much extra power we got running E85 with the PROFLEX Commander™. We ran multiple dyno pulls on the same day and recorded the results.

We tested the M3 at 1.5% ethanol both with and without the PROFLEX Commander™, then tested it with the PROFLEX Commander™ at 37%, 60%, and 75% ethanol. With each higher concentration of ethanol we saw an increase in horsepower with the biggest gain of 52HP at the wheels coming at 75% ethanol that day, which is the biggest gain we've seen yet on this car. These gains were incredible considering 10-15HP gains are expected on this vehicle. The vehicle consistently maintained its proper air/fuel ratio for each pull and registered cooler oil temperatures with ethanol.

All dyno tests were repeated a minimum of 3 times to ensure accuracy. Ambient temperatures were also over 100 degrees, which we believe strongly shows the cooling effects of running ethanol.

There was also testing done with a VF Supercharged M3. This M3 had a VF Engineering 650 supercharger system and had a baseline of 527HP and 359ft-tq before installing our PROFLEX Commander™. After installation, our friends at Eurocharged ATX ran the car on 32%, 48%, and 61% ethanol. At 61% the car made 576HP to the wheels picking up 49HP without any additional tuning. It also picked up 25ft-tq.

What Comes in the Box?


  • PROFLEX Commander Unit for S65 engine
  • Flex Fuel Sensor with fuel line and fittings for S65 engine
  • Plug-and-Play Wiring Harness for S65 engine
  • Installation Guide

Click here for install instructions


Cost for this E85 Flex Fuel Kit is $1200 shipped and requires about a week build time.


Please order here: AFD ProFlex Flex Fuel Kit BMW M3 E90/E92/E93


Last edited by Alex@Redline360; 05-23-2019 at 10:38 AM..
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