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BMW Underdrive Power Pulleys

Reduce parasitic loss of power on your BMW's engine by safely under driving the belt driven auxiliary systems. Reducing this drag on your engine results in MORE HORSEPOWER AND TORQUE to the wheels of your BMW. Our BMW underdrive power pulley kits are specifically designed for each BMW application to make the best power while maintaining stock driveability and reliability, eliminating potential downsides. Others may advertise "their" pulleys boasting more power, but we concluded that for street and track driven BMWs, ours are the best size and design to ensure both your engine and it's belt-driven systems (alternator, water pump, power steering etc) are well within safe operation. We run these under drive pulleys on our own BMWs, so we would not want them any other way.
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AFE Power Pulley - E60 M5
AFE Power Pulley - E60 M5
AFE - Corporate Logo
T#:382305
Part#: 79-10003
Ships in 4 Business Days
20% off MSRP $ 621.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 497.00 USD
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20% off MSRP
$ 621.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 497.00 USD
Free Shipping
Add to Wish List

aFe Power's new power pulley brings performance engineering to your BMW M5. This power pulley is a complete bolt-on kit, including the pulley, bolts, and belts. aFe’s power pulleys are CNC machined out of billet aluminum and black anodized for that aggressive look under the M5’s hood. This power pulley does not modify factory harmonics or dampening. In recent Dyno testing this power pulley produced 5 HP and 6lbs. x ft. torque. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice. 

This part fits the following BMWs:
2006 - 2010 E60 M5 

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ATI Super Damper / Harmonic Balancer - Stock Size - BMW B58A (Gen1), B58C B58D (Gen2/TU) 3.0L
ATI Super Damper / Harmonic Balancer - Stock Size - BMW B58A (Gen1), ...
ATI - Corporate Logo
T#:43142742
Part#: 918573
In Stock at Vendor
$ 418.99 USD
Free Shipping on orders $49 and up
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$ 418.99 USD
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ATI Super Damper / Harmonic Balancer - 21% Underdrive - BMW B58A (Gen1), B58C B58D (Gen2/TU) 3.0L
ATI Super Damper / Harmonic Balancer - 21% Underdrive - BMW B58A (Gen...
ATI - Corporate Logo
T#:43142744
Part#: 918351
Back Ordered
$ 418.99 USD
Free Shipping on orders $49 and up
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$ 418.99 USD
Free Shipping on orders $49 and up
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This ATI Super Damper is a direct replacement for the OEM Harmonic Balancer, designed to further reduce harmful engine harmonics that could lead to damage to sensitive engine components. The 21% underdrive function of this super damper is designed to greatly increase usable horsepower for racing applications by driving engine accessories slower, reducing overall parasitic power loss.
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ATI Super Damper / Harmonic Balancer - 10% Underdrive - BMW B58A (Gen1), B58C B58D (Gen2/TU) 3.0L
ATI Super Damper / Harmonic Balancer - 10% Underdrive - BMW B58A (Gen...
ATI - Corporate Logo
T#:43142743
Part#: 918352
Back Ordered
$ 451.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 451.99 USD
Free Shipping on orders $49 and up
Add to Wish List
This ATI Super Damper is a direct replacement for the OEM Harmonic Balancer, designed to further reduce harmful engine harmonics that could lead to damage to sensitive engine components. The 10% underdrive function of this super damper is designed to increase usable horsepower by reducing parasitic power loss without greatly affecting engine accessories.
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