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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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OEM Febi Hydraulic Alternator Belt Tensioner Assembly - E34 E39 E53 ...

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T#:363804

Part#: 11287838797

Ships on Nov 11, 2026

$ 83.99 USD

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$ 83.99 USD

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The Hydraulic Alternator Belt Tensioner is exposed to a lot of dirt, salt, and other debris due to its front lower location. This can cause the tensioner to seize and not allow the belt tensioner to adjust. Replace your belt tensioner with this OEM high quality hydraulic tensioner for many years of reliable operation to come.

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OEM Febi Mechanical Accessory Belt Tensioner - BMW B46/48 B58 ...

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T#:587397

Part#: 11288570439

Ships in 7 Business Days

$ 140.99

This product was last offered at the strikethrough price on
05-07-2026

$ 121.99 USD

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$ 121.99 USD

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Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.

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Crank Pulley With Dampener

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T#:591627

Part#: 11237562801

In Stock

$ 97.71

This product was last offered at the strikethrough price on
05-11-2026

$ 68.99 USD

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$ 68.99 USD

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Smooth out rotational vibrations and maintain optimal engine performance with this pulley-driven unit for your Mini. Over time, wear and drying out can lead to unusual noises near the passenger's side oil pan, indicating the need for replacement. Ensure seamless operation by replacing this unit when necessary, and don't forget to change the hex bolts for comprehensive maintenance.

Reduces rotational vibrations for smoother engine operation
Prevents unusual noises near the passenger's side oil pan
Ensures optimal engine performance and longevity
Replacement recommended to maintain engine health
Hex bolts replacement advised for thorough maintenance

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Febi Crank Pulley With Harmonic Balancer - E53, E60, E63, E64, E65, E...

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T#:382330

Part#: 11237568345

Ships on Nov 11, 2026

$ 270.99 USD

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$ 270.99 USD

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Drives accessories; located at the end of the crankshaft

Lower Idler Pulley

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T#:374230

Part#: 11287557851

In Stock at Vendor

$ 64.99 USD

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$ 64.99 USD

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Keep your ultimate driving machine performing at its peak with this heavy-duty replacement belt deflection pulley from Febi.

Febi Accessory Belt Tensioner Assembly

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T#:373809

Part#: 11287563927

In Stock at Vendor

$ 122.95 USD

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$ 122.95 USD

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This is the main belt tensioner for A/C, Alternator, and power steering.

Febi Tensioner Pulley - E90

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T#:382341

Part#: 11287807021

Ships in 3 Business Days

$ 101.99

This product was last offered at the strikethrough price on
05-07-2026

$ 88.99 USD

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$ 88.99 USD

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Does not include tensioner

Accessory Belt Tensioner Assembly

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T#:578360

Part#: 11288604266

Special Order: No Guaranteed ETA

$ 70.00 USD

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$ 70.00 USD

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Keep your N55 or S55-powered ultimate driving machine running at peak performance with this premium replacement automatic belt tensioner from Febi Bilstein.

Febi Belt Tensioner Assembly - E60, E61, E70, E82, E88, E90, E91, E92...

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T#:381702

Part#: 11287530314

Special Order: No Guaranteed ETA

$ 112.99 USD

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$ 112.99 USD

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Complete tensioner assembly

Meyle Mechanical Accessory Belt Tensioner - BMW B46/48 B58

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T#:5108968

Part#: 11288580360

Special Order: No Guaranteed ETA

$ 95.99 USD

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$ 95.99 USD

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Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.

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Drive Belts, Pulleys, Tensioners

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