The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies.

Enhance the performance of your Mini with the ALTA Lightened Crank Pulley (LCP), engineered to increase horsepower and torque. Available in 0% Stock Sized and +2% Oversized options, this pulley is crafted from 6061T6 aluminum, weighing only 0.65 lbs. Significantly lighter than the stock crank pulley, the ALTA LCP ensures improved engine efficiency without adding vibration or noise. The +2% Oversized pulley provides additional boost for Supercharged Cooper S models, delivering safe and reliable performance. With increased belt contact, this pulley reduces wear and enhances durability, making it a must-have upgrade for Mini enthusiasts.

• Increases horsepower and torque
• Lightweight 6061T6 aluminum construction
• Available in 0% Stock Sized and +2% Oversized options
• Does not affect charging system
• Improves engine efficiency and performance

Crafted from machined 6061 billet aluminum, the ALTA Performance Pulley Removal Tool is specifically designed for the non-JCW MINI Cooper S, offering a convenient way to enhance power quickly and effortlessly, whether you're in a workshop or your backyard. This versatile tool ensures durability and can be utilized repeatedly with proper usage, maintenance, and care. An essential addition for MINI specialty shops, this tool is compatible with all OEM-sized pulleys, except for JCW variants. Note: A steering wheel puller is necessary for the removal of the stock supercharger pulley.

• Crafted from machined 6061 billet aluminum
• Designed for non-JCW MINI Cooper S
• Durable for repeated use with proper care
• Ideal for MINI specialty shops
• Compatible with all OEM-sized pulleys (excluding JCW)

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

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 

This is a brand new Valeo alternator. BMW Alternators are built especially for extremes of heat, cold and high demand. Your BMW deserves nothing less than the best, which is why an OEM Valeo alternator is the best option. BMW alternators are built to last using the highest quality materials and the most technologically advanced processes. All alternator parts are 100% factory tested to assure that they meet or exceed original equipment specifications. And every alternator is fully load tested to guarantee compliance with BMW's strict performance specifications. 

No core charge!

Fits the following BMW Chassis:

E89 BMW Z4 M Coupe, M Roadster

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.

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

For vehicles with production date from 03/2005.

Crafted from lightweight 6061T6 aluminum, the ALTA SC pulley body reduces the supercharger's rotational inertia, significantly enhancing your Mini's engine responsiveness. This innovative pulley design integrates cross-drilled holes to amplify belt grip and mitigate belt slippage, especially during belt stretching. Furthermore, it incorporates oversized belt retainers to prevent belts from jumping off. Available in two sizes—15% and 17% reductions—the 15% reduction option, a market standard, delivers safe power gains of around 20WHP, ensuring a smoother and enhanced performance.

Benefits:

• Enhanced engine responsiveness
• Improved belt grip and reduced slippage
• Safe power increase of around 20WHP (15% reduction)