Air and Fuel› Fuel Injection Systems and Components - Electronic

APE

FlexFuel Conversion Kit

$749.00

SKU: APE.041001

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The APE FlexFuel Kit is a plug-and-play conversion module designed for the BMW E9X M3. It allows your vehicle to run on gasoline, E15, E85, E98, or any mixture of these fuels. The system automatically adjusts to the detected octane level for optimum performance.
Show original supplier description
The APE E85 FlexFuel Kit is a comprehensive conversion system designed for the BMW E9X M3, including Competition models. This plug-and-play module integrates a fuel composition sensor, control module, and wiring harness, allowing your vehicle to seamlessly run on gasoline, E15, E85, E98, or any combination thereof. The system dynamically adjusts fuel injector pulses based on the real-time ethanol content measured in your fuel, eliminating the need for manual mixing or calculating fuel blends. With this kit, you can expect an increase of 10-15% in rear wheel horsepower and potentially see a 5-15% decrease in cost per mile due to the lower price of E85. Additionally, your engine will run 10-15 degrees cooler, and you may experience emissions reductions ranging from 51% to 88% compared to conventional gasoline. The APE X85 application, available for both iOS and Android, provides real-time monitoring of ethanol content and fuel injector duty cycle via Bluetooth Low Energy. The app also includes a fuel calculator and configuration options for cold start enrichment and advanced fuel trimming. This kit is compatible with third-party flash tunes for further performance enhancements.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Available on iOS & Android

Specifications

BrandAPE
Part NumberAPE.041001
CategoryAir and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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