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BMW Drive Belts & V-Belts

Your BMW's drive belts are wear items, and will degrade and crack over time. Don't wait until you have a belt failure... don't get stranded! Replacing your BMW's belts, such as the alternator belt, power steering belt, air conditioning AC belt, or serpentine belt is a low cost insurance policy to preventing a break down -- or worse, engine damage. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.

While also inspecting your serpentine belts, also check for wear or resistance in the pulleys. The tensioner pulley and deflection pulley are the primary sources for belt squealing. The rubber-isolated pulleys can also break apart, leading to total belt failure. We sell the tensioner and deflection pulleys for the M50 engine family used in the E34, E36, E39, E46, X5, Z3, and Z4.

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E36/E46/Z3/Z4 ECS Tuning Aluminum Water Pump Pulley - Black

T#:363707

Part#: 001977ECS03A

In Stock

Sale - Save 5% $ 104.99

This product was last offered at the strikethrough price on
06-13-2026

$ 99.74 USD

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Sale - Save 5%

$ 104.99

This product was last offered at the strikethrough price on
06-13-2026

$ 99.74 USD

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Most of the pulleys on your BMW engine are plastic, which become brittle and frail over time and from engine bay heat. A failed pulley could leave you stranded which is why it is vital to inspect the pulleys during routine maintenance. This is an aluminum version of the stock water pump pulley used on the M50/M52/M52TU/M54 engine in the E36, E46, Z3, Z4, and other models. It uses the same hardware and the original belt as the stock plastic pulley. But the aluminum will last much longer.

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E46 M3, Z4M ECS Tuning Aluminum Water Pump Pulley

T#:367060

Part#: 002778ECS01

Ships on Dec 7, 2026

Sale - Save 10% $ 100.99

This product was last offered at the strikethrough price on
06-13-2026

$ 90.89 USD

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Sale - Save 10%

$ 100.99

This product was last offered at the strikethrough price on
06-13-2026

$ 90.89 USD

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Most of the pulleys on your BMW engine are plastic, which become brittle and frail over time and from engine bay heat. A failed pulley could leave you stranded which is why it is vital to inspect the pulleys during routine maintenance. This is an aluminum version of the stock water pump pulley used on the S54 engine in the E46 M3, MZ3, and Z4M. It's the same size and uses the same hardware and the original belt as the stock plastic pulley. But the aluminum will last much longer.

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Dinan Replacement Underdrive Pulley Belt For D560-0001 - Alternator/W...

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T#:21078444

Part#: D561-0006

Ships in 5 Business Days

Sale - Save 10% $ 63.99

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

$ 57.56 USD

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Sale - Save 10%

$ 63.99

This product was last offered at the strikethrough price on
07-31-2026

$ 57.56 USD

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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt drives the alternator and water pump.

Dinan Replacement Underdrive Pulley Belt For D560-0001 - Power Steeri...

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T#:21078443

Part#: D561-0005

Ships in 5 Business Days

Sale - Save 10% $ 63.99

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

$ 57.56 USD

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Sale - Save 10%

$ 63.99

This product was last offered at the strikethrough price on
07-31-2026

$ 57.56 USD

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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt attaches to the power steering and air conditioner.

ALTA Crank Pulley - 0% (Stock Size) MINI W11 1.6L Engine

T#:394899

Part#: AMPENG500

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$ 129.99 USD

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$ 129.99 USD

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ALTA Lightweight Crank Pulley (LCP) for Mini

Upgrade your Mini's performance with the ALTA Lightweight Crank Pulley (LCP), designed to increase horsepower and torque. Available in two sizes - 0% Stock Sized and +2% Oversized - this pulley is engineered for Supercharged Cooper S models. Crafted from 6061T6 aluminum, the ALTA pulley is lightweight, weighing just 0.65 lbs, providing a weight reduction of over 2.3 lbs compared to the stock crank pulley.

Increases horsepower and torque
Lightweight design reduces rotational mass
Does not wear out engine bearings or oil pump
Adds boost safely and reliably
Improves belt contact with pulleys, reducing wear

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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) ...

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Call In, Chat, Or Email, For Best Price! Limited Time Only!

T#:586064

Part#: D561-0002

Ships in 5 Business Days

Sale - Save 10% $ 126.99

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

$ 114.26 USD

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Sale - Save 10%

$ 126.99

This product was last offered at the strikethrough price on
07-31-2026

$ 114.26 USD

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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) is an essential component designed specifically for the Underdrive Pulley Kit. This belt is one of the two required for optimal performance of the kit.

Designed for Precision: Tailored to fit the BMW E9X M3 Underdrive Pulley Kit perfectly.
High-Quality Construction: Built to withstand the demands of high-performance driving.
Optimal Performance: Ensures smooth operation and reliable power delivery.
Easy Replacement: Simple to install, making maintenance straightforward.

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E9X M3 6/2008+ Dinan Underdrive Pulley Kit

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T#:389532

Part#: D560-0004

Ships in 5 Business Days

Sale - Save 10% $ 449.99

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

$ 404.96 USD

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Sale - Save 10%

$ 449.99

This product was last offered at the strikethrough price on
07-31-2026

$ 404.96 USD

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Replacement Belt For Underdrive Pulley Kit D560-0003 & D560-0004 ...

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T#:586065

Part#: D561-0007

Ships in 5 Business Days

Sale - Save 10% $ 95.99

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

$ 86.30 USD

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Sale - Save 10%

$ 95.99

This product was last offered at the strikethrough price on
07-31-2026

$ 86.30 USD

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Replacement Belt For Underdrive Pulley Kit D560-0003

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T#:586063

Part#: D561-0003

Ships in 5 Business Days

Sale - Save 10% $ 63.99

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

$ 57.56 USD

Add to Wish List

Qty

Sale - Save 10%

$ 63.99

This product was last offered at the strikethrough price on
07-31-2026

$ 57.56 USD

Add to Wish List

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