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Crankshaft Pulleys & Harmonic Balancers

Keep your drive belt system in check by replacing your BMW's crankshaft pulleys and harmonic balancers.
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Genuine BMW - Corporate Logo
T#:522791
Part#: 11238602800
In Stock
Sale - Save 10% $ 579.98

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

$ 521.98 USD
Free Shipping
Sale - Save 10%
$ 579.98

This product was last offered at the strikethrough price on
06-09-2026

$ 521.98 USD
Free Shipping

Upgrade your BMW engine with the Genuine BMW Crankshaft Pulley (Part Number: 11238602800). This OEM crankshaft pulley, designed specifically for BMW models, ensures optimal engine performance and reliability.

Key Features:

  • Genuine BMW part for perfect compatibility and functionality
  • Precision engineering for a perfect fit and long-lasting performance
  • Designed to meet BMW's high standards for quality and durability
  • Ensures proper belt tension and smooth operation of engine accessories
  • Compatible with specific BMW models (verify compatibility before purchase)

Replace your worn or faulty crankshaft pulley with this Genuine BMW part to maintain your vehicle's performance and drive with confidence.

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Genuine BMW - Corporate Logo
T#:32918
Part#: 11237838230
In Stock
Sale - Save 9% $ 107.99

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

$ 97.99 USD
Limited Qty Sale
Free Shipping
Sale - Save 9%
$ 107.99

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

$ 97.99 USD
Limited Qty Sale
Free Shipping


Genuine BMW Pulley
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63,E90,E92,E93

Fits BMW Engines including:
S65,S85

M7 Speed - Corporate Logo
T#:12774050
Part#: 53-3M7101-0
In Stock
Sale - Save 5% $ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 151.77 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 151.77 USD
Free Shipping on orders $49 and up

M7 Speed - Corporate Logo
T#:584439
Part#: 53-3M7101-4
Back Ordered
Sale - Save 5% $ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 151.77 USD
Free Shipping
Sale - Save 5%
$ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 151.77 USD
Free Shipping

M7 Speed 4% Oversize Crankshaft Pulley for MINI Cooper

Unlocking Performance

The M7 Speed 4% oversize crankshaft pulley is your ticket to unlocking the hidden potential of your MINI Cooper. This performance-enhancing pulley is designed to add power, acceleration, and overall performance to your beloved MINI. Here's how it does the trick:

Performance Boost:

  • Safely speeds up your supercharger, delivering a significant "low end" boost and torque.
  • The result? Your MINI Cooper takes off with newfound energy and responsiveness.

Lightweight Advantage:

  • Weighing just 13 ounces, this pulley is a remarkable 88.5% lighter than the factory version.
  • Reduced crankshaft rotational mass equals more horsepower, torque, and improved throttle response.

Advanced Design

The M7 Speed 4% Crank Pulley isn't just about performance; it's also a work of art. Crafted with advanced computer modeling and precision CNC machining, it's a blend of form and function:

Materials:

  • Made in the USA from billet 6061-T6 aerospace-grade aluminum alloy.
  • Features a deep black anodized coating and laser etching for a sleek look.

Precision Machining:

  • Micro V-Belt grooves meet SAE J1459 specifications to minimize belt slippage, especially at maximum boost.

Optimal Fit:

Use it in conjunction with the M7 Speed 16% Supercharger Technology Pulley for peak performance in MINI tuning.

Reliable Performance

From the factory, MINI lacks a positive drive key on the crankshaft snout to drive the lower pulley. Most aftermarket pulleys are slip-fit and rely on the bolt to prevent slippage. The M7 Speed crank pulley is engineered differently:

Interference Fit:

The pulley is interference-fit onto the crankshaft, ensuring zero slippage even at high RPMs.

Features at a Glance:

  • Super Lightweight: Only 13 ounces (0.3 kg)
  • Sheds 6.2 lbs (2.8 kg) compared to stock
  • Achieves perfect balance through a symmetric design and precision machining
  • Includes a high-quality ARP Racing bolt and precision ground flat washer
  • Installation is a breeze

Unleash Your MINI's Potential

Proudly made in the USA, the M7 Speed 4% Oversize Crankshaft Pulley is the upgrade your MINI Cooper deserves. Unleash its hidden power and enjoy a new level of performance, reliability, and overall driving pleasure. Get ready to experience the difference.

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Genuine BMW - Corporate Logo
T#:51602367
Part#: 11238638446KT
Ships in 3 Business Days
New Item
$ 810.99 USD
Free Shipping on orders $49 and up
$ 810.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
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Genuine BMW - Corporate Logo
T#:50888347
Part#: 11235A3CF02
Ships in 3 Business Days
New Item
8% off MSRP $ 782.99

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

$ 716.99 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 782.99

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

$ 716.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less

Genuine BMW - Corporate Logo
T#:51813328
Part#: 11235A3CF02KT
Ships in 3 Business Days
New Item
$ 798.99 USD
Free Shipping on orders $49 and up
$ 798.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less
Genuine BMW - Corporate Logo
T#:51602353
Part#: 11239845162KT
Ships in 3 Business Days
New Item
$ 970.99 USD
Free Shipping on orders $49 and up
$ 970.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less

Genuine BMW - Corporate Logo
T#:51426490
Part#: 11239846660KT
Back Ordered
New Item
$ 933.00

This product was last offered at the strikethrough price on
03-10-2026

$ 849.99 USD
Free Shipping on orders $49 and up
$ 849.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less

Genuine BMW - Corporate Logo
T#:51813329
Part#: 11239453608KT
Ships in 5 Business Days
New Item
$ 977.99 USD
Free Shipping on orders $49 and up
$ 977.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less
Genuine BMW - Corporate Logo
T#:50822333
Part#: 11239453608
Ships in 5 Business Days
New Item
8% off MSRP $ 978.99

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

$ 895.99 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 978.99

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

$ 895.99 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less
Genuine BMW - Corporate Logo
T#:51848531
Part#: 11238053287KT
Ships in 8 Business Days
New Item
$ 1,053.57 USD
Free Shipping on orders $49 and up
Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Show More Show Less