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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M7 Lightweight Crank Pulley - Stock Size
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M7 Speed - Corporate Logo
T#:12774050
Part#: 53-3M7101-0
In Stock
$ 159.99 USD
Free Shipping on orders $49 and up
M7 Lightweight Crank Pulley - 4% Overdrive - R52 / R53
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M7 Speed - Corporate Logo
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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M7 Speed - Corporate Logo
T#:1150752
Part#: 53-3M7700-1
Back Ordered
$ 368.99 USD
Free Shipping
$ 368.99 USD
Free Shipping

Adjustment Pulley W11 1.6L Engine
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Ina - Corporate Logo
T#:591703
Part#: 11288625983
In Stock
$ 28.99 USD
Free Shipping on orders $49 and up

Ensure your Mini's engine runs smoothly with the idler pulley, a crucial component in routing the serpentine belt. Discover the benefits below:

  • Smooth Belt Routing: Helps to effectively route the serpentine belt for optimal engine performance.
  • Prevents Rattles: Eliminates high-pitched rattles caused by worn-out bearings, ensuring a quieter driving experience.
  • Easy Installation: Simple bolt-on design requires no special tools, making installation hassle-free.
  • Enhanced Engine Performance: Maintains proper belt tension, preventing slippage and ensuring efficient power delivery.
  • Durable Construction: Crafted from high-quality materials for long-lasting durability and reliability.

Upgrade your Mini's engine with the idler pulley to maintain smooth belt operation and prevent unwanted noises.

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OEM INA Deflection Pulley - MINI F5X F60
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Ina - Corporate Logo
T#:31622554
Part#: 11287649371
Ships in 7 Business Days
$ 53.99 USD
Free Shipping on orders $49 and up
Guides the serpentine belt and helps to provide tension.
Mechanical Belt Tensioner
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Ina - Corporate Logo
T#:591686
Part#: 11287571015
In Stock at Vendor
$ 106.99 USD
Free Shipping
$ 106.99 USD
Free Shipping

High Performance Engine Power Kit For Gen 1 MINI S
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
M7 Speed - Corporate Logo
T#:50276469
Part#: 53-3M7702-10
Ships in 3 Business Days
New Item
$ 440.99 USD
$ 440.99 USD
Accessory Belt Tensioner
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Ina - Corporate Logo
T#:591655
Part#: 11281482199
Ships in 1-2 days
$ 115.99 USD
Free Shipping
$ 115.99 USD
Free Shipping

OEM INA Accessory Drive Belt Pulley - R55, R56, R57, R58, R59, R60, R...
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Ina - Corporate Logo
T#:42302021
Part#: FT0676
Back Ordered
$ 17.99 USD
Free Shipping on orders $49 and up
Maintain your MINI’s performance and prevent costly accessory drive failures with the OEM INA Accessory Drive Belt Pulley available now at Turner Motorsport.

OEM INA Accessory Drive Belt Tensioner Assembly - F54, F55, F56, F57,...
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Ina - Corporate Logo
T#:42302022
Part#: FT0571
Back Ordered
$ 95.99 USD
Free Shipping on orders $49 and up
Upgrade your accessory drive system with the INA Accessory Drive Belt Tensioner Assembly for various BMW and MINI models from Turner Motorsport and ensure your vehicle continues to perform at its peak.
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