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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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Dinan Replacement Underdrive Pulley Belt For D560-0001 - Power Steering/Air Conditioning
Dinan Replacement Underdrive Pulley Belt For D560-0001 - Power Steeri...
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T#:21078443
Part#: D561-0005
Ships in 6 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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$ 63.99

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07-31-2026

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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt attaches to the power steering and air conditioner.
Dinan Replacement Underdrive Pulley Belt For D560-0001 - Alternator/Water Pump
Dinan Replacement Underdrive Pulley Belt For D560-0001 - Alternator/W...
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T#:21078444
Part#: D561-0006
Ships in 6 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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$ 63.99

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

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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt drives the alternator and water pump.
Replacement Belt For Underdrive Pulley Kit D560-0003 & D560-0004
Replacement Belt For Underdrive Pulley Kit D560-0003 & D560-0004 ...
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Dinan - Corporate Logo
T#:586065
Part#: D561-0007
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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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$ 95.99

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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004)
BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) ...
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Dinan - Corporate Logo
T#:586064
Part#: D561-0002
Ships in 6 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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$ 126.99

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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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Dinan Underdrive Crankshaft Pulley Kit - E60 M5, E63/64 M6 S85 5.0L
Dinan Underdrive Crankshaft Pulley Kit - E60 M5, E63/64 M6 S85 5.0L ...
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Dinan - Corporate Logo
T#:21078436
Part#: D560-0001
Ships in 6 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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Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent, reducing parasitic drag on the engine for a 6 HP @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft. The kit includes all of the necessary mounting hardware, a lightweight pulley, and shorter belts. This product is backed by our industry-leading 4 year/50,000 mile warranty so you can rest assured that you are purchasing the best quality product for your BMW. Features: All accessories are underdriven by 13% to decrease drag on the engine. Lightweight billet aluminum crankshaft pulley, black anodized and engraved. Includes mounting hardware and shorter belts.
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E9X M3 6/2008+ Dinan Underdrive Pulley Kit
E9X M3 6/2008+ Dinan Underdrive Pulley Kit
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Dinan - Corporate Logo
T#:389532
Part#: D560-0004
Ships in 6 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
Free Shipping
Add to Wish List
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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Add to Wish List
Replacement Belt For Underdrive Pulley Kit D560-0003
Replacement Belt For Underdrive Pulley Kit D560-0003
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Dinan - Corporate Logo
T#:586063
Part#: D561-0003
Ships in 6 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
Free Shipping
Add to Wish List
Sale - Save 10%
$ 63.99

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

$ 57.56 USD
Free Shipping
Add to Wish List

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