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Active Autowerkes E60 M5 Underdrive Pulley Kit with Alt Belt - 10-12 HP Gains - 13-012
Active Autowerkes E60 M5 Underdrive Pulley Kit with Alt Belt - 10-12 HP Gains - 13-012 - Image 2

Active Autowerkes 13-012 Underdrive Pulley Kit

The Active Autowerkes 13-012 Underdrive Pulley Kit is engineered for those who demand precision and performance. This kit is designed to enhance the efficiency of your engine by reducing the load on the accessory drive system, resulting in improved horsepower and torque.

Key Features

  • HP Gains: Expect an increase of approximately 10 RWHP, with potential gains exceeding 12 HP when paired with Active Software.
  • Construction: Made from aircraft-grade billet 6061 aluminum, the pulley features a hard coat anodized finish for durability and corrosion resistance.
  • Installation: The system is a complete bolt-on solution, making it easy to install and reversible if necessary.
  • Compatibility: Retains the factory crank hex drive adapter, ensuring seamless integration with your existing setup.
  • Belt Replacement: The kit includes replacement drive and A/C belts, eliminating the need for additional purchases.
  • Harmonics Management: This pulley does not alter factory harmonics or dampening characteristics, maintaining engine stability.
  • Weight Reduction: By reducing rotational mass, this pulley enhances engine responsiveness without the overheating issues commonly associated with smaller pulley designs.

The Active Autowerkes 13-012 is a solid upgrade for those looking to optimize their engine's performance without compromising reliability. This kit is particularly effective when combined with the appropriate software adjustments, making it a valuable addition to your performance modifications.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Many rave reviews and magazine articles have been written about Active Autowerkes, and these kits and their many successors since have become well known for their durability, clever bolt-on engineering, affordable pricing – and their ability to breathe fire into the everyday BMW and its owner. No longer a brand known just around Florida, today's Active Autowerke is known worldwide for its line of flawlessly engineered and manufactured performance parts for the entire Beemer.

As new models and challenges continue to be born, Active Autowerke continues to invent – and deliver – world class, new ideas and innovations that make them run better.

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