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 Underdrive Crankshaft Pulley Kit - E60 M5, E63/64 M6 S85 5.0L ...

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T#:21078436

Part#: D560-0001

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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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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BMW F30 N47 2.0L Crankshaft Pulley (Vibration Damper)

T#:594954

Part#: 11238512072

Ships in 2 Business Days

$ 310.23 USD

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$ 310.23 USD

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BMW F30 N47 2.0L Crankshaft Pulley (Vibration Damper) is a high-quality replacement component from Corteco, designed to ensure smooth engine operation and minimize vibration. Turner Motorsport offers this vibration damper as a perfect fit for various BMW chassis, including the F25 X3, F30, and F31 models. This crankshaft pulley helps maintain engine balance and reduces wear on other engine components by absorbing vibrations. Ideal for maintaining performance and reliability, this part is a crucial upgrade or replacement for your BMW.

Reduces engine vibration: Effectively dampens vibrations to protect engine components.
High-quality construction: Manufactured by Corteco for reliability and durability.
Improves engine performance: Ensures smooth operation and reduced wear.
Exact fit: Compatible with BMW F25 X3, F30, and F31 chassis.
Easy installation: Designed for straightforward replacement with no modifications required.