BMW Engine Parts

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

• Rotrex C38-81 Supercharger
• Mounting bracket, pulleys and belt
• 6 larger high-flow fuel injectors
• Active Autowerke Air Filter
• Active Autowerke Dyno-Tuned Software
• All mounting hardware, plumbing, hoses and clamps
• Illustrated instruction manual & installation guide
• 2 Year Warranty with free tech support

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 

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.

BMW offers their M Performance retrofit kit for your 340i/i xDrive & 440i/i xDrive for increased power and a more aggressive sounding and free flowing exhaust! This system directly from BMW is perfect for those looking for more power and an aggressive exhaust note without voiding the warranty! Upon installation, an immediate improvement is noticed, especially in the low to mid range powerband. The kit increases your vehicle’s power by 35 hp to 355hp and 39 lb-ft of torque to 369 lb-ft (355 lb-ft for manual transmission vehicles).The BMW M Performance Power kit now comes bundled with a higher flowing, valve controlled exhaust for maximum performance and exhilaration! The BMW M Performance Power Kit features engine tuning software and an electronically controlled valve exhaust system that is actuated in Sport/Sport+ modes via the driving experience control button. 

Included with the Power and Sound Kit:

• M Performance Muffler
• M Performance Decal Kit
• Stick on label and Badge
• Performance BMW software upgrade code
• Wiring Harness

After ordering this kit, simply take this to your dealer to have the ECU re-flashed and all of the components included installed! 

The muffler included must also be used with the following BMW exhaust tips:

• Carbon Fiber - Priced Each
• Chrome - Priced Each

*Dealer pricing for installation varies from dealer to dealer. Please contact your dealer for installation cost before purchasing.