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BMW Drive Belts & V-Belts for MINI

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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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Genuine BMW Crankshaft Pulley (Vibration Damper) - F48 F39

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T#:522791

Part#: 11238602800

In Stock

6% off MSRP $ 579.98

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

$ 546.99 USD

Limited Qty Sale

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6% off MSRP

$ 579.98

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

$ 546.99 USD

Limited Qty Sale

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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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Bav Auto Ratcheting Serpentine Belt Wrench Kit

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T#:580390

Part#: B8800077

In Stock

Sale - Save 10% $ 67.99

This product was last offered at the strikethrough price on
05-03-2026

$ 61.19 USD

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Sale - Save 10%

$ 67.99

This product was last offered at the strikethrough price on
05-03-2026

$ 61.19 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 BMW Mechanical Accessory Belt Tensioner - BMW B46/48 B58 ...

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T#:573281

Part#: 11288580360

In Stock

3% off MSRP $ 188.99

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

$ 182.99 USD

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3% off MSRP

$ 188.99

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

$ 182.99 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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Bav Auto Serpentine Belt Tensioner Tool Set

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T#:580361

Part#: B8800034

In Stock

Sale - Save 3% $ 30.99

This product was last offered at the strikethrough price on
05-03-2026

$ 30.06 USD

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Sale - Save 3%

$ 30.99

This product was last offered at the strikethrough price on
05-03-2026

$ 30.06 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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M7 Lightweight Crank Pulley - Stock Size

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T#:12774050

Part#: 53-3M7101-0

In Stock

$ 159.99 USD

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$ 159.99 USD

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M7 Lightweight Crank Pulley - 4% Overdrive - R52 / R53

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T#:584439

Part#: 53-3M7101-4

Back Ordered

$ 159.99 USD

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$ 159.99 USD

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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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MINI R52 R53 M7 Gen 1 Power Up Kit - Supercharger Overdrive Pulley Ki...

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T#:1150752

Part#: 53-3M7700-1

Back Ordered

$ 368.99 USD

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$ 368.99 USD

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HEX BOLT

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T#:532572

Part#: 07119908571

In Stock

$ 4.99

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

$ 3.99 USD

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$ 3.99 USD

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High Performance Engine Power Kit For Gen 1 MINI S

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T#:50276469

Part#: 53-3M7702-10

Ships in 3 Business Days

$ 440.99 USD

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$ 440.99 USD

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Genuine BMW Deflection Pulley - Alternator and A/C. - F48 F39 ...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:194157

Part#: 11287649371

Ships in 2 Business Days

8% off MSRP $ 85.99

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

$ 78.99 USD

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8% off MSRP

$ 85.99

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

$ 78.99 USD

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Genuine Bmw Deflection Pulley

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