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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
We are proud to bring out this truly awesome product that makes getting the required Flex Fuel hardware on your BMW and A9X Supra with incredible ease and minimal effort, in your own driveway.
Our kit is entirely plug-and-play with the factory vehicle harness. No cutting or splicing of OEM wiring/connectors. It installs in minutes and can be removed without a trace on the car!
Our team used SolidWorks to design a Flow Optimized Flex Fuel Sensor Adapter (FFSA) to ensure fuel flow is unobstructed and with no added pressure drop at full fuel pump flow from the fuel tank to your motor when our kit is installed. This is important when pushing the factory fuel system with all the power Ethanol can provide over petrol!
Flex fuel sensor housing is designed to neatly install into the factory BMW fuel hat location.
Flex Fuel Sensor Adapter also contains two 1/8 NPT ports that allow installation of an auxiliary Fuel Pressure sensor for vehicles that don’t come with an OEM one from the factory for future use. Depending on fitment, either port can be used.
Install the bootmod3 Flex Fuel Plug and Play Kit and flash your flex fuel enabled bootmod3 OTS MultiMap or Custom Map in minutes and you’re off to the races never worrying about alcohol/petrol blend % in your fuel tank. It does not get better or easier than this!
bootmod3 FlexFuel Plug and Play Kit:
OEM FUEL HAT LOCATION KIT IS INTENDED FOR OEM FUEL PUMP AND ASSOCIATED WIRING. ANY VARIATIONS TO FUEL LINES OR FUEL PUMPS MAY NOT BE COMPATIBLE. USE THE ENGINE BAY INSTALLATION KIT WHERE AVAILABLE INSTEAD.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. For over three decades, only one name has remained at the top of the BMW performance parts industry and Active Autowerke have built a lasting reputation as leaders in custom BMW tuning and accessories.
This supercharger kit will produce 310 horsepower and 300 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit. Additionally, this kit can be expanded to deliver even more horsepower with a few simple modifications.
Key Features
Performance Specs
Power : 310 BHP @ 6900 rpm
Torque : 300 ft-lbs @ 5700 rpm
Boost Level : 7.0 psi
This part fits the following BMWs:
1992-1999 E36 328i 328is
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. This supercharger kit will produce 525 horsepower and 335 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit.
Kit features:
Performance Specs:
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Active Autowerke, established in 1981, has become a highly regarded name in the BMW community, known for their top-notch power solutions for various BMW models. This supercharger kit they offer packs a punch, capable of generating over 400 horsepower for your BMW while ensuring the vehicle's structural integrity and suitability for daily driving. What sets this kit apart is the Rotrex supercharger's design, featuring a traction drive system that eliminates the lag commonly associated with other centrifugal superchargers. This results in a smooth and reliable power delivery experience.
Key components of the kit include the Rotrex C38-92 trim supercharger, an Active Autowerke front-mount air-to-air intercooler, a high-flow fuel pump, supercharger brackets, pulleys, and belts, six high-flow fuel injectors, an Active Autowerke air filter, dyno-tuned software, and all necessary mounting hardware, plumbing, hoses, and clamps. Additionally, the kit comes with an illustrated instruction manual and installation guide, ensuring a straightforward installation process. Active Autowerke also offers a 2-year warranty along with free technical support for added peace of mind.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
We are proud to bring out this truly awesome product that makes getting the required Flex Fuel hardware on your BMW with incredible ease and minimal effort, in your own driveway.
Our kit is entirely plug-and-play with the factory vehicle harness. No cutting or splicing of OEM wiring/connectors. It installs in minutes and can be removed without a trace on the car!
Our team used SolidWorks to design a Flow Optimized Flex Fuel Sensor Adapter (FFSA) to ensure fuel flow is unobstructed and with no added pressure drop at full fuel pump flow from the fuel tank to your motor when our kit is installed. This is important when pushing the factory fuel system with all the power Ethanol can provide over petrol!
Flex fuel sensor housing is designed to neatly install into the factory BMW fuel hat location.
Flex Fuel Sensor Adapter also contains two 1/8 NPT ports that allow installation of an auxiliary Fuel Pressure sensor for vehicles that don’t come with an OEM one from the factory for future use. Depending on fitment, either port can be used.
Install the bootmod3 Flex Fuel Plug and Play Kit and flash your flex fuel enabled bootmod3 OTS MultiMap or Custom Map in minutes and you’re off to the races never worrying about alcohol/petrol blend % in your fuel tank. It does not get better or easier than this!
bootmod3 FlexFuel Plug and Play Kit:
Minutes to install at home as opposed to hours at a shop with car up on lift fabricating/cutting into factory fuel lines and splicing/cutting/pinning into OEM electrical
4+ hours in time/cost savings to get going on Flex Fuel as compared to most other kits that require making custom fuel lines, fittings, and custom wiring!
Fully reversible/removable and back to stock without a trace in minutes
Custom 3-piece Aluminum-6061 Flex Fuel sensor adapter with built-in sensor bypass to allow for obstruction-free fuel flow made to fit in the vehicle factory fuel hat area below the rear seat
All connecting points are sealed with fuel-safe Viton O-rings
Flex Fuel Sensor Adapter housing provides additional 1/8 NPT ports for optional Fuel Pressure sensor addition to vehicles without a factory one for bootmod3 CustomROM v2 support
CANBUS Enabled Ethanol Content Analyzer (ECA) that integrates with bootmod3 CustomROM for complete and seamless conversion of your BMW to FlexFuel for bootmod3 Flex Fuel enabled OTS MultiMaps and custom tunes with your bootmod3 tuner of choice
Power/CANBus 4-wire plug-and-play harness
100% Fully Plug and Play harness to the BMW Fuel Controller connectors (EKP3) on S55, N55 vehicles
100% Fully Plug and Play harness on the BMW Body Domain Controller (BDC/FEM) connector on Gen1 F-series B48/B58
Continental Flex Fuel sensor 3-wire harness
Custom Aluminum-6061 CANBus Enclosure for the bootmod3 ECA board
Custom, kink-free teflon braided line allowing plug-and-play installation with the OEM fuel hat and factory 5/16” or 3/8” fuel feed line. No cutting or new lines required.
-6 AN fitting by Racetronix
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. This supercharger kit will produce 425 horsepower and 295 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit. best of all, when you crave more power, this kit is fully upgradeable to Level 1 and Level 2 specs.
Kit features:
Base Prima supercharger Dynojet results:
Boost: 5.8 psi
Stock Horsepower: 285.4 WHP @ 7500 RPM
Stock Torque: 232.36 LB-FT @ 5250 RPM
Supercharged Horsepower: 426.69 WHP @ 8150 RPM
Supercharged Torque: 297.99 LB-FT @ 7200 RPM
This product was last offered at the strikethrough price on
02-18-2026
Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. For over three decades, only one name has remained at the top of the BMW performance parts industry and Active Autowerke have built a lasting reputation as leaders in custom BMW tuning and accessories.
Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. This supercharger kit will produce 360+ horsepower and 300 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit.
The level 2 version of this BMW 328i Supercharger system brings you car to another level, boasting a large front mount air to air intercooler and comes complete with all piping and hardware required to make this bolt on application work. This upgrade increases your car HP an additional 25-40HP over the stage 1 system. The stage 2 upgrade also includes an new high performance fuel pump to help deliver the necessary fuel. With the reliability and performance of an inter-cooled system along with our perfectly tuned software this system is a must for the true enthusiast looking to bring their 328i to new heights.
Kit features:
This part fits the following BMWs:
1992-1999 E36 328i 328is
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.