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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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Vargas Turbo Technologies - Corporate Logo
T#:558795
Part#: VTT-CRANKHUB-1
In Stock
$ 889.99 USD
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$ 889.99 USD
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Under certain conditions, the N55 crank hub likes to spin, without warning and even when the engine is in perfect health. The engineers at Vargas saw and dealt with this problem time and again, and they saw fit to do something about it. This hub uses a proprietary "Spline Lock" technology that uses high tolerance machined splines which press into the crank, and positively lock the hub to the crank. The splines are machined in such a way that rotational forces drive the hub, and splines deeper into the crank meaning when the hub encounters a situation that would normally slip a stock hub the splined hub is driven into the crank to keep it in place (much like a splined extractor). Features: Installs the same as a stock hub Does NOT require the crank to be drilled for pins Manufactured from Harndered 17-4SS We suggest the Crank Hub System ONLY be installed by a qualified shop or technician. Timing tools are 100% REQUIRED if installed improperly engine damage may occur. DISCLAIMER: VTT and ECS are not responsible for any engine damage caused by improper installation, or misuse of the crank hub solution.
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Vargas Turbo Technologies - Corporate Logo
T#:638889
Part#: VTT-CRANKGUARD
In Stock
Starting at $ 89.99 USD
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Starting at $ 89.99 USD
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It is a well-known issue on the BMW N54/55 platforms that your serpentine belt can fail for various reasons. When this happens, there is a high chance of the belt getting sucked behind the front damper pulley and then being pushed past the crank seal into your oil pan. From there it can get sucked into the oil pick up causing total engine failure. Even if you do not lose the engine, it is a COSTLY repair to remove the sub-frame and drop the oil pan to remove the belt. The best way to combat this is to watch for oil leaks and keep up on your maintenance. BUT, even with those preventative measures, pre-mature belt failure can occur. This crank seal guard installs over your front crank seal and will keep the belt from being sucked in if a belt failure does occur. This is a cheap way to ensure you do not end up having to replace your motor from oil starvation due to an ingested belt. Vargas' seal is different from those already on market in two major ways. Firstly, it is not offensively priced. Secondly, it is 100% billet with no welds on the tabs to break, no cheap bent thin steel pieces. 100% Billet 6061-T6 aluminum, anodized black for long-term corrosion resistance. Crank Seal Guard includes: One VTT Billet N54/55 Crank Seal Guard Two extended 12.9 Grade bolts, and two stainless washers We highly recommend you install WITH a crank bolt capture at the same time, as you have to remove the damper anyway. Then you will get the benefit of helping eliminate the dreaded spun crank hub and the crank seal issue
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Vargas Turbo Technologies - Corporate Logo
T#:7292042
Part#: VTT-N54-PSN54
Ships in 2 Business Days
Starting at $ 56.99 USD
Free Shipping on orders $49 and up
Starting at $ 56.99 USD
Free Shipping on orders $49 and up
Vargas has introduced their new Billet Power Steering pulleys for the N54 engine! A well-known issue with the N54 with Hydraulic power steering is the plastic pulley either hitting the subframe, or breaking on its own. This can result in the belt to be ejected from the pulley, and leave you stranded with no serpentine belt. This also increases the chance of sucking the belt into the engine through the front seal. Put an end to the dreaded plastic PS pulley issues with the VTT 100% Billet Aluminum PS pulley. These are constructed from 6061-T6 aluminum and anodize in one of 4 colors (Black, Red, Blue, and Clear) for a great look, and long-lasting finish. These weigh 11oz, very close to the weight of a stock pulley, and are lighter than the cast aluminum versions on the market.
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Rein Water Pump Pulley - E34, E36, E39, Z3
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:591716
Part#: 11511730554
In Stock
$ 49.99 USD
Free Shipping on orders $49 and up
$ 49.99 USD
Free Shipping on orders $49 and up
Located behind the fan blade, fan clutch bolts to this pulley

Rein Water Pump Pulley - E39, E46, E53, E60, E83, Z3, Z4
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:591711
Part#: 11511436590
In Stock
$ 50.99 USD
Free Shipping on orders $49 and up
$ 50.99 USD
Free Shipping on orders $49 and up
A common failing piece due to the plastic design.
Dinan - Corporate Logo
T#:21078443
Part#: D561-0005
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
Free Shipping
Sale - Save 10%
$ 63.99

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

$ 57.56 USD
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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt attaches to the power steering and air conditioner.

Dinan - Corporate Logo
T#:21078444
Part#: D561-0006
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
Free Shipping
Sale - Save 10%
$ 63.99

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

$ 57.56 USD
Free Shipping
Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt drives the alternator and water pump.
Rein Power Steering Pulley E88 135i, E90 335i/335xi, E84 X1 35i xDriv...
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:34147755
Part#: 32427582947
In Stock at Vendor
$ 71.99 USD
Free Shipping on orders $49 and up

Power Steering Pulley is a vital component in your BMW’s power steering system, designed to maintain smooth and responsive steering performance. Available from Turner Motorsport, this high-quality pulley ensures the efficient operation of your power steering pump by providing optimal belt tension and reducing wear. Built to OEM specifications, the Power Steering Pulley is a direct-fit replacement, making installation easy and hassle-free for BMW owners and mechanics alike.

Made from durable materials, this pulley is designed to withstand the rigors of daily driving, offering long-lasting performance and reliability. It’s the perfect solution for those looking to restore or maintain the functionality of their BMW’s power steering system.

Key Benefits:

  • Ensures smooth and efficient power steering operation
  • Direct OEM fit for easy installation
  • Reduces wear on the power steering belt and pump
  • Made from durable materials for long-lasting performance
  • Available from Turner Motorsport, a trusted source for BMW parts

This Power Steering Pulley is an essential part for maintaining the functionality and reliability of your BMW’s power steering system.

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Dinan - Corporate Logo
T#:586065
Part#: D561-0007
Ships in 5 Business Days
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
Free Shipping
Sale - Save 10%
$ 95.99

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

$ 86.30 USD
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BMW E9X M3 Replacement Belt For Underdrive Pulley Kit - (D560-0004) ...
Call In Or Chat For Best Price!
Call In, Chat, Or Email, For Best Price! Limited Time Only!
Dinan - Corporate Logo
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
Free Shipping
Sale - Save 10%
$ 126.99

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

$ 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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Crank Pulley With Dampener
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:38587673
Part#: 11237829906
Ships in 3 Business Days
$ 89.99 USD
Free Shipping on orders $49 and up
Dinan - Corporate Logo
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
Free Shipping on orders $49 and up
Sale - Save 10%
$ 449.99

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

$ 404.96 USD
Free Shipping on orders $49 and up
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
Call In Or Chat For Best Price!
Dinan - Corporate Logo
T#:389532
Part#: D560-0004
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
Free Shipping
Sale - Save 10%
$ 449.99

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

$ 404.96 USD
Free Shipping
Vibration Damper
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:38161721
Part#: 11237513862
Ships in 3 Business Days
$ 92.99 USD
Free Shipping on orders $49 and up
Torx Screw - Priced Each
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:400830
Part#: 11287530315
In Stock
$ 7.92 USD
Free Shipping on orders $49 and up
Used to mount the drive belt tensioner to the engine block.

Vibration Damper
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:38195378
Part#: 11231438995
Ships in 3 Business Days
$ 112.99 USD
Free Shipping on orders $49 and up

Rein - Corporate Logo
T#:53750207
Part#: PKP0124
Back Ordered
New Item
$ 41.99 USD
Free Shipping on orders $49 and up
$ 41.99 USD
Free Shipping on orders $49 and up
Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein
Rein - Corporate Logo
T#:53750204
Part#: PKP0123
Ships in 3 Business Days
New Item
$ 61.99 USD
Free Shipping on orders $49 and up
$ 61.99 USD
Free Shipping on orders $49 and up
Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein

Dinan - Corporate Logo
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
Free Shipping
Sale - Save 10%
$ 63.99

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

$ 57.56 USD
Free Shipping
Crank Pulley With Dampener
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:599037
Part#: 11237638551
Back Ordered
$ 87.99 USD
Free Shipping
$ 87.99 USD
Free Shipping

Rein - Corporate Logo
T#:53750169
Part#: PKP0121
Ships in 3 Business Days
New Item
$ 63.99 USD
Free Shipping on orders $49 and up
Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein

OEM Rein PRO Series Water Pump & Serpentine Belt Kit - BMW E60 535 N5...
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:38161726
Part#: RSW0021
Ships in 3 Business Days
$ 711.23 USD
Free Shipping on orders $49 and up
Includes a new electric water pump, serpentine belt, belt tensioners, and idler pulleys
Rein - Corporate Logo
T#:45997481
Part#: PKP0246
Ships in 3 Business Days
$ 64.99 USD
Free Shipping on orders $49 and up
Plastic power steering pump pulleys can wear over time or even crack. If you are replacing your pump or if your pulley has worn or failed, upgrade to this aluminum pulley from OEM Rein.