S54 VAC Harmonic SuperDamper By ATI - Standard Size Crank Pulley ...

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T#:639878

Part#: VAC-HPCDK-S54-ST

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$ 1,049.99 USD

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If you are breaking crankshafts and oil pumps, the cause may be a mystery to you as it has been to many of our customers. We know that controlling the harmonic resonance of the BMW 6 is highly important as RPMs rise, but the ideal configuration of the inline-6 motor makes even experienced engine builders overlook some fundamental principals of engine harmonics that can be destructive. ATI Performance Products has partnered with VAC Motorsports to develop new dampers for BMW 2.5L, 2.8L, 3.0L and 3.2L straight-6 engines found in the E36 and E46 M3, E9X and E6X, as well as newer Z3s and Z4s. These dampers eliminate crankshaft harmonic vibration, which allows the engine to produce more horsepower and torque, while also reducing internal engine wear at the same time. Broken oil pumps and timing chains will be a thing of the past! When used with a VAC accessory pulley, these dampers are a direct replacement over the OEM balancer. They have a 7” outer diameter and include OEM style timing alignment tabs. BMW enthusiasts should know that all ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition. The advantages of the ATI SuperDamper include eliminating vibration issues with inline 6 engines equipped with lightweight clutch and flywheel assemblies, reduced bearing, engine accessories, oil pump wear, and compatibility with underdrive pulleys. Made in the USA.

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Genuine MINI Multi Rib Belt

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T#:14479

Part#: 11287604014

In Stock

23% off MSRP $ 31.24

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$ 23.99 USD

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23% off MSRP

$ 31.24

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$ 23.99 USD

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Genuine MINI RIBBED V-BELT
Fits BMW Engines including:
N12,N14,N16,N18

VAC Harmonic S55 SuperDamper By ATI

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T#:639880

Part#: VAC-HPCD-S55

Ships in 2 Business Days

$ 989.99 USD

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$ 989.99 USD

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If you are breaking crankshafts and oil pumps, the cause may be a mystery to you as it has been to many of our customers. We know that controlling the harmonic resonance of the BMW 6 is highly important as RPMs rise, but the ideal configuration of the inline-6 motor makes even experienced engine builders overlook some fundamental principals of engine harmonics that can be destructive. ATI Performance Products has partnered with VAC Motorsports to develop new dampers for BMW 2.5L, 2.8L, 3.0L and 3.2L straight-6 engines found in the E36 and E46 M3, E9X and E6X, as well as newer Z3s and Z4s. These dampers eliminate crankshaft harmonic vibration, which allows the engine to produce more horsepower and torque, while also reducing internal engine wear at the same time. Broken oil pumps and timing chains will be a thing of the past! When used with a VAC accessory pulley, these dampers are a direct replacement over the OEM balancer. They have a 7” outer diameter and include OEM style timing alignment tabs. BMW enthusiasts should know that all ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition. The advantages of the ATI SuperDamper include eliminating vibration issues with inline 6 engines equipped with lightweight clutch and flywheel assemblies, reduced bearing, engine accessories, oil pump wear, and compatibility with underdrive pulleys. Includes lightweight VAC Billet Crankshaft Pulley. Made in the USA.

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ATI Super Damper Harmonic Damper - 5.67" Stock Size

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T#:22756711

Part#: 917992

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$ 370.99 USD

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The ATI Super Damper, meticulously designed for late-model 1.6L Mini Cooper engines, stands as the top choice and a rarity with its SFI 18.1 Certification, ensuring optimum performance for your MINI Cooper.

Key Features:

Compatible with 2001-2006 Mini Cooper and Mini Cooper S models.
Effectively dampens torsional crankshaft vibrations across all RPM levels.
Provides protection against engine harmonics.
A direct replacement for the OEM unit, ensuring ease of installation.
Equipped with a 6-rib serpentine belt drive for reliable performance.
Laser-etched timing marks for precision.
SFI 18.1 Certified for competition use, meeting rigorous standards.
Note: A belt tensioner tool is required to remove or replace the factory belt, and the ATI puller is not compatible with this damper.

Specifications:

Shell Material: Aluminum, 6-rib
Hub Material: Steel 916102
Inertia Weight: 2.20 lbs, 3 ring

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REPAIR KIT FOR BELT - 11282444363

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T#:534797

Part#: 11282444363

In Stock

10% off MSRP $ 312.42

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$ 279.99 USD

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10% off MSRP

$ 312.42

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 279.99 USD

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Enhance Your Drive: Belt and Rollers Replacement Kit

Experience a quieter and more efficient ride by upgrading with our all-in-one belt and rollers replacement kit. This comprehensive kit includes the main drive belt, a friction wheel, and a mechanical belt tensioner equipped with a pulley.

Eliminate those annoying squeaks and noises by replacing these essential components simultaneously. Enjoy the benefits of a smoother and more peaceful driving experience.

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Genuine MINI Accessory Belt

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T#:14478

Part#: 11287566789

Ships in 3 Business Days

6% off MSRP $ 25.56

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$ 23.99 USD

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6% off MSRP

$ 25.56

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$ 23.99 USD

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Genuine MINI RIBBED V-BELT
Fits BMW Engines including:
N12,N14,N16,N18

Drive Wheel For Water Pump With Bolts Kit

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T#:596915

Part#: 11517619020KT

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$ 125.99 USD

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$ 125.99 USD

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Genuine MINI Mechanical Belt Tensioner

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T#:19292

Part#: 11287571015

In Stock

9% off MSRP $ 175.05

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$ 158.75 USD

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$ 175.05

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$ 158.75 USD

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Genuine MINI ENGINE MECHANICAL BELT TENSIONER
Fits BMW Engines including:
N12,N14,N16,N18

Bav Auto Ratcheting Serpentine Belt Wrench Kit

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T#:580390

Part#: B8800077

Ships on Feb 1, 2027

Sale - Save 7% $ 67.99

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$ 62.99 USD

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Used to retract your serpentine belt tensioner. This kit includes 18mm, 5/8 in, 14mm, 13mm, 12mm, sockets and 3/8 in and 1/4 in drive adapters

Genuine MINI Drive Wheel For Water Pump

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T#:512706

Part#: 11517619020

In Stock

6% off MSRP $ 125.77

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$ 118.00 USD

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6% off MSRP

$ 125.77

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$ 118.00 USD

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Genuine MINI Friction Wheel

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T#:19314

Part#: 11287598833

Ships in 1-2 days

10% off MSRP $ 196.06

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$ 175.99 USD

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$ 196.06

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$ 175.99 USD

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Genuine MINI ENGINE FRICTION WHEEL
Fits BMW Engines including:
N12,N14,N16,N18

Dinan Replacement Underdrive Pulley Belt For D560-0001 - Alternator/W...

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T#:21078444

Part#: D561-0006

Ships in 6 Business Days

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Replacement Belt for Underdrive Pulley Kit (D560-0001). This belt drives the alternator and water pump.

Dinan Replacement Underdrive Pulley Belt For D560-0001 - Power Steeri...

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T#:21078443

Part#: D561-0005

Ships in 6 Business Days

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

ATI Super Damper Harmonic Damper Stock Size B46/B48 - 3 Ring ...

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T#:33047043

Part#: 917999

In Stock at Vendor

$ 383.99 USD

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$ 383.99 USD

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

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T#:586065

Part#: D561-0007

Ships in 6 Business Days

Sale - Save 10% $ 95.99

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$ 86.30 USD

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ATI Super Damper Harmonic Damper - 5.75" 2% OD - W11 1.6L

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T#:22756691

Part#: 917993

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$ 370.99 USD

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ATI Super Damper for Enhanced MINI Cooper Performance

Upgrade your MINI Cooper with the ATI Super Damper, a top-rated and SFI 18.1 Certified replacement. Designed to fit 2001-2006 Mini Cooper and Mini Cooper S models, this damper is engineered to dampen torsional crankshaft vibrations across all RPM levels, ensuring smooth and reliable performance. It serves as a vital shield against engine harmonics and is a direct replacement for the OEM unit. The 6-rib serpentine belt drive and laser-etched timing marks offer precision and accuracy. Please note that a belt tensioner tool is necessary for removing or replacing the factory belt, and the ATI puller is not compatible with this damper.

Key Features:

SFI 18.1 Certified for competition use
Provides effective torsional crankshaft vibration damping
Direct replacement for the OEM unit
6-rib serpentine belt drive
Laser-etched timing marks for precision

Specifications:

Shell Material: Aluminum, 6-rib
Hub Material: Steel 916102
Inertia Weight: 2.20 lbs, 3 ring

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E9X M3 6/2008+ Dinan Underdrive Pulley Kit

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T#:389532

Part#: D560-0004

Ships in 6 Business Days

Sale - Save 10% $ 449.99

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$ 404.96 USD

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$ 449.99

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$ 404.96 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

Back Ordered

Sale - Save 10% $ 126.99

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

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T#:21078436

Part#: D560-0001

Ships in 6 Business Days

Sale - Save 10% $ 449.99

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$ 404.96 USD

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$ 449.99

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$ 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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Genuine MINI Acc. Belt Idler Pulley

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T#:33676

Part#: 11287570810

Ships in 1-2 days

8% off MSRP $ 185.52

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$ 170.65 USD

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$ 185.52

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$ 170.65 USD

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Genuine MINI DEFLECTION PULLEY
Fits BMW Engines including:
W11

VAC Harmonic SuperDamper By ATI - BMW S50B32 EURO

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T#:7355606

Part#: HPCDK-S50B32-S

Ships in 4 Business Days

$ 1,099.99 USD

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$ 1,099.99 USD

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Bav Auto Serpentine Belt Tensioner Tool Set

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T#:580361

Part#: B8800034

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$ 31.03 USD

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$ 31.03 USD

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This specialty wrench is required to retract the serpentine belt tensioner - necessary in order to remove or install your accessory drive belt. Includes tensioner locking-pin which conveniently holds your tensioner in place while changing belt.

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VAC V2 Harmonic SuperDamper By ATI - BMW N54 3.0L

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T#:639879

Part#: VAC-HPCD-N54

Ships in 9 Business Days

$ 1,059.99 USD

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$ 1,059.99 USD

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If you are breaking crankshafts and oil pumps, the cause may be a mystery to you as it has been to many of our customers. We know that controlling the harmonic resonance of the BMW 6 is highly important as RPMs rise, but the ideal configuration of the inline-6 motor makes even experienced engine builders overlook some fundamental principals of engine harmonics that can be destructive. ATI Performance Products has partnered with VAC Motorsports to develop new dampers for BMW 2.5L, 2.8L, 3.0L and 3.2L straight-6 engines found in the E36 and E46 M3, E9X and E6X, as well as newer Z3s and Z4s. These dampers eliminate crankshaft harmonic vibration, which allows the engine to produce more horsepower and torque, while also reducing internal engine wear at the same time. Broken oil pumps and timing chains will be a thing of the past! When used with a VAC accessory pulley, these dampers are a direct replacement over the OEM balancer. They have a 7” outer diameter and include OEM style timing alignment tabs. BMW enthusiasts should know that all ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition. The advantages of the ATI SuperDamper include eliminating vibration issues with inline 6 engines equipped with lightweight clutch and flywheel assemblies, reduced bearing, engine accessories, oil pump wear, and compatibility with underdrive pulleys. Includes lightweight VAC Billet Crankshaft Pulley.

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VAC Harmonic SuperDamper By ATI - M50/S50/M52/S52

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T#:639877

Part#: VAC-HPCD-M50-TR

Ships on Nov 13, 2026

$ 1,139.99 USD

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$ 1,139.99 USD

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If you are breaking crankshafts and oil pumps, the cause may be a mystery to you as it has been to many of our customers. We know that controlling the harmonic resonance of the BMW 6 is highly important as RPMs rise, but the ideal configuration of the inline-6 motor makes even experienced engine builders overlook some fundamental principals of engine harmonics that can be destructive. ATI Performance Products has partnered with VAC Motorsports to develop new dampers for BMW 2.5L, 2.8L, 3.0L and 3.2L straight-6 engines found in the E36 and E46 M3 as well as newer Z3s and Z4s. These dampers eliminate crankshaft harmonic vibration, which allows the engine to produce more horsepower and torque, while also reducing internal engine wear at the same time. Broken oil pumps and timing chains will be a thing of the past! When used with a VAC accessory pulley, these dampers are a direct replacement over the OEM balancer. They have a 7” outer diameter and include OEM style timing alignment tabs. BMW enthusiasts should know that all ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition. The advantages of the ATI SuperDamper include eliminating vibration issues with inline 6 engines equipped with lightweight clutch and flywheel assemblies, reduced bearing, engine accessories, oil pump wear, and compatibility with underdrive pulleys. Kit includes: Damper Lightweight VAC Billet Crankshaft Pulley Mounting and Installation Hardware Trigger Ring for OBD1 systems Note: Will NOT work with S50B30 & S50B32 Euro Engines, For Street/Track cars with Air Conditioning, the Additional A/C Pulley Option is REQUIRED as the OE A/C pulley is not compatible. The additional mounting and installation hardware is also included. Made in the USA

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VAC Harmonic SuperDamper By ATI - B58

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T#:27605443

Part#: ATI-HPCD-B58

Ships on Nov 13, 2026

$ 389.99 USD

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$ 389.99 USD

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Understanding the criticality of harmonic resonance in BMW inline-6 engines, ATI Performance Products has collaborated with VAC Motorsports to craft revolutionary dampers. Designed for BMW 2.5L, 2.8L, 3.0L, and 3.2L straight-6 engines in E36 and E46 M3, E9X, E6X, Z3s, and Z4s, these dampers tackle harmonic vibrations, unlocking heightened horsepower, torque, and longevity. Forget about broken oil pumps and timing chains!

Pairing seamlessly with VAC accessory pulleys, these 7" diameter dampers boast OEM-style timing alignment tabs, ensuring a direct fit over OEM balancers. Notably, all ATI Super Dampers exceed SFI 18.1 Safety Certification for competitive use, making them a must-have for BMW enthusiasts. Benefits extend to eliminating vibration issues with lightweight clutch and flywheel assemblies, reducing wear on bearings, engine accessories, and oil pumps, and harmonizing with underdrive pulleys.

Plus, each package includes the lightweight VAC Billet Crankshaft Pulley, proudly made in the USA for uncompromised quality assurance.

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Bav Auto Stretch Belt Installer Tool

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T#:580430

Part#: B8800123

In Stock

Sale - Save 5% $ 16.99

This product was last offered at the strikethrough price on
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$ 16.19 USD

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$ 16.99

This product was last offered at the strikethrough price on
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$ 16.19 USD

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Bav Auto's stretch belt installer tool is helpful in installing some BMW accessory belts.

Bav Auto Stretch Belt Installer Tool

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T#:580415

Part#: B8800108

In Stock

Sale - Save 55% $ 19.99

This product was last offered at the strikethrough price on
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$ 8.99 USD

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$ 19.99

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This universal stretch belt installer can aid in drive belt installation. Recommended in conjunction with B8800123

Replacement Belt For Underdrive Pulley Kit D560-0003

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T#:586063

Part#: D561-0003

Ships in 6 Business Days

Sale - Save 10% $ 63.99

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$ 57.56 USD

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$ 63.99

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Crankshaft Adapter Tool

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T#:50766833

Part#: 83302468560

Ships in 1-2 days

$ 111.99 USD

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Accessory Belt Tensioner

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T#:31522896

Part#: 11288479475

Ships in 1-2 days

8% off MSRP $ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 181.99 USD

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8% off MSRP

$ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 181.99 USD

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Genuine MINI Multi Rib Accessory Belt - 6PK X 1033

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:6741

Part#: 11287518250

Ships in 1-2 days

12% off MSRP $ 62.66

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.83 USD

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Qty

12% off MSRP

$ 62.66

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.83 USD

Add to Wish List

GENUINE MINI ENGINE RIBBED V-BELT 11287518250.--

This item fits the following MINIs:
MINI Cooper - Mini Cooper, Mini Cooper Convt

--. Fits BMW Engines including:
W10

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Genuine MINI Accessory Belt

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:520678

Part#: 11288573253

Ships in 1-2 days

10% off MSRP $ 50.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 45.99 USD

Add to Wish List

Qty

10% off MSRP

$ 50.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 45.99 USD

Add to Wish List

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