BMW Drive Belts & V-Belts for BMW 3 Series E46 (1999-2005)

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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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S54 Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System
S54 Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul S...
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Packaged by Turner - Corporate Logo
T#:15710772
Part#: 11281730349-KT
Ships on Jan 11, 2027
Sale - Save 10% $ 509.99

This product was last offered at the strikethrough price on
11-07-2026

$ 458.99 USD
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Sale - Save 10%
$ 509.99

This product was last offered at the strikethrough price on
11-07-2026

$ 458.99 USD
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The idea of power pulleys is simple. The less effort the engine puts into running accessories such as the water pump, power steering, pump alternator etc., the more of that power can be used elsewhere - your wheels! The way this is done by reducing the rotation of the pulleys by as much as 10-20%! The end result is more horsepower at your disposal. Turner has done extensive testing (on and off the track), to ensure that the accessory systems still function as intended and without failure. These pulleys offer an excellent compromise of power gains, reliability and performance. All Turner pulleys are constructed of high quality T-6061 aluminum for durability and longevity. They are also finished in a black hard anodizing, which is highly resistant to wear including chemical and heat exposure. They have been designed to carry stock-like aesthetics, but with increased strength properties and lighter weight. Because of the durable aluminum construction, you can also put the worries of a serious plastic failure to rest. These pulleys will last, all the while increasing horsepower too! While you're installing your Power Pulley Kit, it makes sense to overhaul your Accessory Belt System as well, so this kit includes our Accessory Belt Kit as well.
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Hydraulic Alternator Belt Tensioner Conversion Kit
Hydraulic Alternator Belt Tensioner Conversion Kit
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Packaged by Turner - Corporate Logo
T#:15710833
Part#: 11287838797-KT
Ships in 1-2 days
Sale - Save 32% $ 163.99

This product was last offered at the strikethrough price on
10-12-2026

$ 111.09 USD
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Sale - Save 32%
$ 163.99

This product was last offered at the strikethrough price on
10-12-2026

$ 111.09 USD
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The original mechanical design is has been discontinued by BMW. So now Turner offers this complete hydraulic tensioner conversion kit for your BMW alternator/water pump/power steering belt. Changes the old style mechanical design to the updated hydraulic design recommended by BMW. Includes the following parts Hydraulic Tensioner Adjusting Pulley Caps & Dust Guards Securing Hardware
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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 M3, Z3M, Z4M S54 3.2L
Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 M3, Z3M, Z...
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Packaged by Turner - Corporate Logo
T#:23482931
Part#: S54KEVACCKT
Ships in 8 Business Days
Sale - Save 26% $ 330.99

This product was last offered at the strikethrough price on
06-16-2026

$ 245.54 USD
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Sale - Save 26%
$ 330.99

This product was last offered at the strikethrough price on
06-16-2026

$ 245.54 USD
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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belts, tensioner assemblies, and new tensioner pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!
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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 E39 M54
Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 E39 M54 ...
For vehicles with production date from 09/2002
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Packaged by Turner - Corporate Logo
T#:23482922
Part#: 4PK863ATKT
In Stock
Sale - Save 30% $ 254.99

This product was last offered at the strikethrough price on
06-10-2026

$ 177.54 USD
Free Shipping on orders $49 and up
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Sale - Save 30%
$ 254.99

This product was last offered at the strikethrough price on
06-10-2026

$ 177.54 USD
Free Shipping on orders $49 and up
Add to Wish List
Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belts, tensioner assemblies, and new tensioner pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!
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Performance Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 E39 Z3 M52TU M54
Performance Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E4...
For vehicles with production date up to 09/2002
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Packaged by Turner - Corporate Logo
T#:22097548
Part#: 11281706545TKT
Ships in 8 Business Days
Sale - Save 20% $ 268.99

This product was last offered at the strikethrough price on
11-07-2026

$ 214.93 USD
Free Shipping on orders $49 and up
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Sale - Save 20%
$ 268.99

This product was last offered at the strikethrough price on
11-07-2026

$ 214.93 USD
Free Shipping on orders $49 and up
Add to Wish List
Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes everything you need to service the belt drive system and keep everything in check, including the updated Hydraulic tensioner to keep your E46 driving like a dream. This kit also includes ECS Tuning's Kevlar reinforced belt for longer life and resistance. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!
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