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BMW Drive Belts & V-Belts for BMW 3 Series E93 (2007-2013)

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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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Lower Idler Pulley

10X Entries Into Our F80 M3 Sweepstakes

T#:32350850

Part#: 11287557851

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Sale - Save 15% $ 27.99

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05-03-2026

$ 23.79 USD

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Accessory Belt Tensioner Assembly

10X Entries Into Our F80 M3 Sweepstakes

T#:29101657

Part#: 11287563927

In Stock

Sale - Save 17% $ 69.99

This product was last offered at the strikethrough price on
05-03-2026

$ 57.79 USD

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Upper Idler Pulley

10X Entries Into Our F80 M3 Sweepstakes

T#:26305073

Part#: 11287556251

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Sale - Save 25% $ 31.99

This product was last offered at the strikethrough price on
07-14-2026

$ 23.99 USD

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Deflection Pulley

10X Entries Into Our F80 M3 Sweepstakes

T#:34080699

Part#: 11287578674

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Sale - Save 21% $ 28.99

This product was last offered at the strikethrough price on
05-03-2026

$ 22.84 USD

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$ 22.84 USD

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Bremmen Belt Tensioner Assembly -- E60 E61 E70 E82 E88 E9X Z4 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:39497969

Part#: 11287530314

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Sale - Save 21% $ 54.99

This product was last offered at the strikethrough price on
05-03-2026

$ 43.24 USD

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$ 54.99

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This tensioner keeps the belt for the alternator, power steering, and air conditioning taut to provide maximum performance of each system.

Idler Pulley

10X Entries Into Our F80 M3 Sweepstakes

T#:34080698

Part#: 11287578675

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Sale - Save 21% $ 27.99

This product was last offered at the strikethrough price on
05-03-2026

$ 22.02 USD

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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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09-29-2026

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

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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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$ 86.30 USD

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E9X M3 6/2008+ Dinan Underdrive Pulley Kit

For vehicles with a production date from 06/2008

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T#:389532

Part#: D560-0004

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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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$ 449.99

This product was last offered at the strikethrough price on
09-28-2026

$ 404.96 USD

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Alternator Pulley

10X Entries Into Our F80 M3 Sweepstakes

T#:52164889

Part#: 12317560483

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Sale - Save 15% $ 45.99

This product was last offered at the strikethrough price on
09-16-2026

$ 39.09 USD

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Is your BMW making a chirping or grinding noise at idle? The culprit is frequently a failing alternator decoupler pulley. Unlike a traditional solid pulley, this Overrunning Alternator Pulley (OAP) allows the alternator rotor to "freewheel" when engine speeds drop suddenly. This specialized function protects your BMW drive belt and belt tensioner from excessive snap-back, vibration, and "belt slap."

Prevent Catastrophic Engine Failure

Over time, the internal clutch mechanism can seize or slip, leading to accelerated wear or total serpentine belt failure. On BMW engines, a snapped belt can be ingested through the front main seal, causing catastrophic engine damage. Replacing this pulley is a cost-effective preventative maintenance step that restores smoothness to your accessory drive without the high cost of a complete alternator replacement.

Features & Benefits:

Lowers the load on the drive belt, tensioner, and AC compressor.
Stops "belt slap" and rhythmic chirping noises during deceleration and idle.
Direct Replacement with high-quality construction ensures perfect fitment and long-term durability.
Essential Maintenance for N52 engines

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Accessory Belt Tensioner Assembly

10X Entries Into Our F80 M3 Sweepstakes

T#:54995068

Part#: 11287582946

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Sale - Save 10% $ 52.99

This product was last offered at the strikethrough price on
10-08-2026

$ 47.69 USD

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Double roller tensioner

Deflection Pulley

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T#:26305076

Part#: 11287535860

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Sale - Save 19% $ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 16.99 USD

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Hex Bolt - N52, N54

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T#:19792190

Part#: 11211439395

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Sale - Save 20% $ 18.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.19 USD

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$ 18.99

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$ 15.19 USD

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Replacement center bolt for the engine crank pulley.

Idler Pulley

For vehicles with a production date up to 04/2008

10X Entries Into Our F80 M3 Sweepstakes

T#:30629656

Part#: 11287841228

In Stock

Sale - Save 22% $ 19.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.50 USD

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$ 19.99

This product was last offered at the strikethrough price on
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$ 15.50 USD

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Replacement Belt For Underdrive Pulley Kit D560-0003

Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

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

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Sale - Save 10%

$ 63.99

This product was last offered at the strikethrough price on
09-29-2026

$ 57.56 USD

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