BMW Drivetrain Parts for MINI

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Building your perfect BMW is more than just adding horsepower and stiff suspension. Your drivetrain needs attention in order to deliver power effectively. Most BMWs feature comfortable clutch discs, heavy flywheels, long shifter throws, and open differentials. The drivetrain transmits power to the wheels, but can also be a source of power loss when it is designed for comfort rather than performance. Everything on this page will help you improve your power delivery and driving experience by providing custom Limited Slip Differentials, Short Shift Conversions, Performance Clutch Discs, Lightweight Flywheels, and anything else your BMW needs to be the perfect driving experience.

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Differential Fluid Extraction Adapter
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Bav Auto Tools - Corporate Logo
T#:578659
Part#: B3300000
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$ 21.33 USD
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Differential Fluid Extraction Adapter is an essential tool for efficiently draining and refilling differential fluid, ensuring your vehicle's differential system remains in optimal condition. Designed to work with most extraction pumps, this adapter simplifies maintenance tasks, making it easier to service your differential without the mess or hassle of traditional methods.

  • Efficient fluid extraction: Allows for quick and clean draining of differential fluid.
  • Versatile compatibility: Works with most extraction pumps, offering flexibility for various vehicle makes and models.
  • Hassle-free maintenance: Simplifies the process of refilling and draining differential fluid, reducing time and effort.
  • Durable construction: Built from high-quality materials to withstand frequent use and harsh conditions.
  • Easy installation: Designed for a secure fit and easy attachment to extraction pumps.

This Differential Fluid Extraction Adapter is a must-have for any vehicle owner looking to maintain the longevity and performance of their differential system.

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Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
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Bav Auto Tools - Corporate Logo
T#:580336
Part#: B8800004
In Stock
Sale - Save 25% $ 38.99

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$ 29.24 USD
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$ 38.99

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$ 29.24 USD
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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids.
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Bav Auto Wheel Hub and Rotor Grinding Kit
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Bav Auto Tools - Corporate Logo
T#:580437
Part#: B8800132
In Stock
Sale - Save 10% $ 47.99

This product was last offered at the strikethrough price on
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$ 43.19 USD
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This product was last offered at the strikethrough price on
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Used to remove corrosion and ensure brake rotors, wheel spacers, etc sit flush on your hubs

Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals
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Bav Auto Tools - Corporate Logo
T#:580335
Part#: B8800003
In Stock
Sale - Save 15% $ 60.99

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$ 51.84 USD
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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids. For draining differentials we recommend using the Bavarian Autosport adapter part # B3300000.
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Bav Auto Wheel Hub Puller / Axle Press - 4 lug bolt - BMW & MINI ...
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Bav Auto Tools - Corporate Logo
T#:580367
Part#: B8800043
In Stock
Sale - Save 15% $ 37.99

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$ 32.29 USD
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$ 32.29 USD
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Use this tool to press the splined axle end out of the wheel flange or hub on rear-wheel drive and front-wheel drive 4 LUG BMWs and MINIs. This tool is also used to pull the front wheel bearing hub on 2-wheel drive BMW models with sealed bearing and hub assemblies.
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Bav Auto Oil Extractor - 10 Liter - Inserts Into Dip Stick Tube ...
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Bav Auto Tools - Corporate Logo
T#:580333
Part#: B8800001
In Stock
Sale - Save 15% $ 171.99

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$ 146.19 USD
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$ 171.99

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$ 146.19 USD
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Change your oil without getting underneath the vehicle! This oil extractor pulls the oil out of your engine through the dip stick tube.

ECS Magnetic Manual Transmission Oil Drain Plug - (M18x1.5) ...
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ECS - Corporate Logo
T#:3772679
Part#: 039214LA01
In Stock
Sale - Save 25% $ 48.99

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$ 36.74 USD
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Monitor the condition of your transmission at each service and remove harmful metallic contaminants from imposing premature wear.
Bav Auto 36MM 12 Point Socket - 1/2" Drive
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Bav Auto Tools - Corporate Logo
T#:580421
Part#: B8800114
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$ 22.49 USD
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$ 22.49 USD
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This is a thin-walled 1/2" drive 36mm impact socket - useful in removing or installing wheel bearing and axle nuts on several BMW models.

Adjustable Clutch Pedal Stop - MINI
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ECS - Corporate Logo
T#:23020084
Part#: 025851ECS01KT1
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Sale - Save 25% $ 39.99

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$ 29.99 USD
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ECS Single-Mass Lightweight Flywheel - R5X N14
N18 Fitment: Requires N14 Clutch paired with ECS N14 Flywheel.
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ECS - Corporate Logo
T#:40241342
Part#: 038668LA01
Ships on Aug 19, 2026
Sale - Save 20% $ 599.99

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$ 479.99 USD
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The factory dual-mass flywheel in your MINI N14 was built with comfort in mind—absorbing drivetrain vibrations and smoothing shifts—but at the cost of performance. Weighing in at a hefty 28.3 lbs., the OEM flywheel adds excessive rotational mass, dulling throttle response, slowing acceleration, and complicating precise rev-matching. Worse yet, it's known to be unreliable in modified or tuned setups and expensive to replace when it fails.

This single-mass design from ECS Tuning weighs just 18.8 lbs. It cuts nearly 10 lbs. of rotational weight to significantly enhance throttle response, acceleration, and overall driving feel. Built for durability and spirited driving, it's the ultimate upgrade for enthusiasts who want to make the most of every gear change.

Key Features:

Precision CNC-machined from 4140 HT Chromoly Steel: Ensures outstanding toughness, consistent wear, and long-term durability.

Heat Treated and Tempered: Achieves HRC 28-32 for improved strength, stress relief, and dimensional stability—even at elevated temperatures.

Black Oxide Coated: Resists corrosion for long-lasting protection and a professional finish.

Precision Balanced: Exceeds OEM standards (G16, 175 g-mm) to ensure smooth, safe operation at all RPMs.

SFI 1.1 Certified: Tested and approved for extreme use—track or street.

Direct Fit for OE N14 Clutch Kits: Maintains compatibility with factory-style components for hassle-free installation.

Performance Benefits:

Substantial Weight Reduction

​OEM Flywheel: 28.3 lbs.

ECS Lightweight Flywheel: 18.8 lbs.

Net Savings: Nearly 10 lbs.

Faster Revving and Sharper Throttle Response: Reducing rotational mass translates into a more dynamic and responsive driving experience.

Improved Clutch Engagement and Longevity: Optimized step height delivers better clamp load and extends service life.

Ideal for Modified MINIs: Built to handle increased power and spirited driving with confidence.

Replaces MINI OEM Part #: 21207575069

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MINI R5X Adjustable Clutch Pedal Stop - Complete Install Kit ...
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ECS - Corporate Logo
T#:28637268
Part#: 025851ECS01KT2
In Stock
Sale - Save 25% $ 92.99

This product was last offered at the strikethrough price on
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$ 69.73 USD
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Sale - Save 25%
$ 92.99

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$ 69.73 USD
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MINI R5X Adjustable Clutch Pedal Stop - Complete Install Kit

Improve the clutch pedal feel of your Mini with the MINI R5X Adjustable Clutch Pedal Stop - Complete Install Kit. This kit includes everything needed for a complete installation and adjustment of the clutch pedal stop. Enhance drivability and performance with precise clutch engagement and reduced pedal travel. Upgrade your Mini with this comprehensive clutch pedal stop kit.

  • Complete install kit for easy installation
  • Allows precise adjustment of clutch pedal stop
  • Improves clutch pedal feel and drivability
  • Reduces pedal travel for enhanced performance
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W11 Lightweight Flywheel - R52/R53 Cooper S/JCW
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ECS - Corporate Logo
T#:40512111
Part#: 038682LA01
In Stock
Sale - Save 20% $ 499.99

This product was last offered at the strikethrough price on
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$ 399.99 USD
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The factory dual-mass flywheel in W11-powered MINI Coopers was designed with comfort in mind—minimizing drivetrain vibration and delivering smoother shifts. However, this focus on refinement comes at a performance cost. The hefty 27 lbs. of rotational mass dulls throttle response, slows acceleration, and makes rev-matching more difficult. Dual-mass flywheels are also known to be less reliable in tuned or modified setups and can be expensive to replace when they fail.

ECS Tuning developed their Lightweight Single-Mass Flywheel to address these issues with a performance-focused alternative. Weighing in at just 17 lbs., this flywheel sheds nearly 10 lbs. of rotating mass compared to the OEM unit—transforming throttle response, acceleration, and clutch feel for a more engaging and dynamic driving experience.

Key Features:

Manufactured from 4140 Chromoly Steel
Heat-treated and tempered for exceptional strength, wear resistance, and thermal stability.
Optimized Hardness (HRC 28–32)
Ensures consistent performance and durability under extreme conditions.
Precision-Balanced to G16 Standard (175 g-mm)
Exceeds OEM balance requirements for smooth, high-RPM operation.
Black Oxide Finish
Provides effective corrosion resistance and a sleek appearance.
SFI 1.1 Certified
Validated for safe use in high-performance and racing environments.
Direct Fit
Engineered to work seamlessly with OE-style clutch kits designed for the W11 engine architecture.
Performance Benefits:

OEM Flywheel Weight: 27 lbs
ECS Lightweight Flywheel Weight: 17 lbs
This significant weight reduction results in:

Sharper throttle response
Faster engine revs and acceleration
Improved clutch engagement and feel
Increased performance potential for modified vehicles
OEM & Aftermarket Compatibility:

Replaces OE Flywheel #: 21207532057
Compatible Clutch Kits:
MINI OE: 21207551384
Spec: SB001, SB003
Clutch Masters: 03050HD00R
Recommended Hardware:

Flywheel Bolts: 11227560579 (Qty 8)
Pressure Plate Bolts: 21207520449 (Qty 6)

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