Active Autowerke Pulley Kit (APL)

The Signature Pulley Kit increases horsepower while maintaining your OEM quality and reliability.

Starting At Only
$ 315
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  • ProInstallation

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Features and Benefits Of This Product

Another key element in the development of the Signature Pulley Kit was to retain the “Factory Crank hex Drive Adapter”, this was important to keep this factory feature for its inherent purpose. Coupled with a much ** beefier ** sidewall design, this reinforces the engine harmonics to be ultra smooth.

Another key element in the launching of this underdrive pulley system was the task of manufacturing a DPK, a double side belt for the air conditioner. Whenever you alter the crankshaft main pulley size, it will also influence the size of the A/C belt. As of late production 2007, BMW changed over the belt configuration to a double sided groove belt on the E9X M3. Active Auotwerke philosophy is always to try and maintain components like in a BMW fashion, as if BMW would have done. This would be a first in the BMW performance industy to have an aftermarket DPK belt produced.

To further enhance the system, Active Autowerke will provide an extra spare DPK belt with the kit. This would be for emergency circumstances if the need ever arises.

Tested and ran on the in-house Mustang dyno here at Active Autowerke quantifies a true measurable 12 + horsepower gain on a completely stock BMW.

A must for the true BMW M enthusiast.

Key Features:

HP gains: 10 RWHP 12+ HP
Complete Bolt on System and is easily reversible
Designed for use on DCT and Manual models
Reduces Rotational Mass
Does not cause overheating found in smaller pulley designs
Pair with AA Software for Additional Gains
Available for all production dates ( Single sided & DPK belts )

Available Options

For E90 / E92 M3: Please verify your E9x M3 on the A/C belt if single sided or double sided (DPK) when ordering.

What Its Made From

This is a complete bolt on kit engineered using Aircraft Grade Billet 6061 Hard Coat Anodized Aluminum.

What's Inside The Box

Includes Replacement DRIVE and A/C Belts
EXTRA spare DPK belt provided where applicable

Installation Notes

This performance upgrade is easy to install and can be fully reversible if the need arises. It is packaged to be simple and compact with the features to be installed easily within a short time frame.

Installation Difficulty: PRO - Professional Installation Suggested

Warranty + Satisfaction Guarantee

Order with confidence! If you are not completely satisfied with your purchase, you may return it for exchange or refund. This product carries a 1 year manufacturers warranty. See our terms of sale for full details.

This Product Fits

E46 - BMW 3 Series Coupe, Sedan, Convertible and M3 - 1999-2006, E60/E61 - BMW 5 Series and M5 - 2004-2009, E63/E64 - BMW 6 Series and M6 - 2004-2010, E90/E91 - BMW 3 Series Sedan and M3 - 2006-2012, E92/E93 - BMW 3 Series Coupe and M3 - 2007-2013,

Notes / Warnings

Please check your local laws for ensure legality when using this product on public roads and highways. In areas where this product is not legal for road use it is sold strictly for off-road, track or show use only.

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Installation Difficulty

PROFESSIONAL - Professional Installation Recommended

Installation Guides

  • Installation Guide - For E90 E92 E93 M3 - PDF Format - apl9xm.pdf - 672 kB