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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Team MFactory - Corporate Logo
T#:3283361
Part#: MF-TRS-05MIN
In Stock
$ 699.99 USD
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$ 699.99 USD
Free Shipping

When it comes to gaining a significant advantage over your competitors, the MFactory Helical Limited Slip Differential (LSD) is your ultimate ally. This LSD offers a seamless and consistent distribution of power to your vehicle's wheels, allowing you to harness maximum traction and put the power firmly on the ground.

But what does an LSD do, you ask? Well, without an LSD, your car essentially operates as a "1-wheel drive," as it can't deliver torque to both wheels simultaneously. Instead, it directs torque to the wheel with less grip, highlighting the limitations of an open differential, which is standard in most vehicles.

An LSD, on the other hand, permits the wheels to spin at slightly different speeds by a limited amount, typically represented as a percentage difference. It's when the differential locks that both wheels receive power. It's important to note that LSDs function differently from locked differentials, such as those in off-road trucks, which supply equal torque and rotational speed to both rear wheels simultaneously, often causing handling issues.

Key Features:

  • Crafted from imported Japanese SAE 4320 Steel
  • Industry-first 30-day "Feel the Torque™" money-back guarantee, along with a Limited-Lifetime Warranty
  • Forged, double tempered, and super sub-zero treated for unparalleled toughness
  • Utilizes advanced Shot Peening technology to increase surface hardness
  • Engineered to withstand the extreme shock loads of competition-level drag racing
  • Advanced gear geometry designed using industry-leading software, delivering more power to the ground
  • Exclusively uses the highest quality Brighton-Best Hardware
  • Maintenance-free gears eliminate the need for special fluids and rebuilds associated with plate-type LSDs
  • Ensures lock-free operation, preventing adverse effects on steering response
  • Rated for up to ~1000 WHp

As part of the break-in procedure, we recommend changing the fluid after the first 3-400 miles of use.

Warranty:

MFactory Competition Products stands behind the quality of its Helical LSDs. A limited lifetime warranty is provided, ensuring that these LSDs are free of defects in materials and workmanship upon receipt of the product and professional installation. Any part returned must be determined by MFactory Competition Products to be defective before any warranty credit or replacement is issued.

MFactory Competition Products's obligation under the warranty is limited to repairing or replacing, at its discretion, any part proven defective. The customer is responsible for prepaying transportation charges.

It's important to note that the final determination of the suitability of the products for the intended use is the sole responsibility of the buyer. MFactory Competition Products shall not be liable for any special, direct, indirect, incidental, or consequential damages, including claims for delay, loss of profits, or labor that might be claimed as a result of the failure of any part.

Furthermore, MFactory Competition Products shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part covered by this warranty.

Please be aware that there are no other warranties, whether expressed or implied, extending beyond those set forth above.

Note: To ensure a proper fit, you'll need to reuse the old bearings or acquire new bearings and press them onto each end.

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GSP North America - Corporate Logo
T#:23748134
Part#: NCV49045
Ships in 2 Business Days
$ 295.99 USD
Free Shipping on orders $49 and up

GSP North America - Corporate Logo
T#:27205357
Part#: NCV49506
Ships in 2 Business Days
$ 126.99 USD
Free Shipping on orders $49 and up

GSP North America - Corporate Logo
T#:27205358
Part#: NCV49507
Ships in 2 Business Days
$ 158.99 USD
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GSP North America - Corporate Logo
T#:23748132
Part#: NCV49043
Ships in 1 Business Day
$ 349.99 USD
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Wavetrac - Corporate Logo
T#:22723746
Part#: 56309191WK
Ships in 2 Business Days
$ 1,065.99 USD
Free Shipping on orders $49 and up
  • Innovative: Patented Wavetrac® design automatically improves grip in low traction conditions. This feature is truly innovative and unlike any other torque biasing differential design.
  • Superior Materials: High strength 9310 steel gears are used in case-hardened billet or forged steel bodies. ARP® fasteners are used throughout the differential.
  • Maintenance Free: As supplied new, the Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds.
  • Limited LIFETIME Warranty: All Wavetrac® differentials include a transferable, limited lifetime warranty.
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    Wavetrac - Corporate Logo
    T#:640442
    Part#: 56309190WK
    Ships in 10 Business Days
    $ 975.99 USD
    Free Shipping
    $ 975.99 USD
    Free Shipping

    Boost Traction with Wavetrac® Torque Biasing Differential

    Elevate your vehicle's performance with the revolutionary Wavetrac® Torque Biasing Differential. It boasts a patented design that automatically enhances traction when faced with low-grip conditions, setting it apart from other torque biasing differential systems.

    Manufactured with precision, this superior differential features high-strength 9310 steel gears housed within case-hardened billet or forged steel bodies. The use of ARP® fasteners throughout the differential ensures exceptional durability and reliability.

    What makes the Wavetrac® truly exceptional is its maintenance-free operation. You can rely on it to deliver consistent performance throughout its lifetime, without the need for regular maintenance or rebuilds. Additionally, it comes with a transferable limited lifetime warranty for your peace of mind.

    For in-depth technical information about the Wavetrac® Differential, visit our [Technical Information](http://www.wavetrac.net/technical.htm).

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    GSP North America - Corporate Logo
    T#:26238429
    Part#: NCV49504
    In Stock
    $ 116.99 USD
    Free Shipping on orders $49 and up

    Upgrade your Mini's worn-out axles with these high-quality replacement axle assemblies from GSP. Featuring new boots, CV joints, and shaft, these assemblies guarantee years of reliable service, keeping your Mini running smoothly on the road. Don't risk a broken axle or CV joint leaving you stranded – replace them today with GSP replacement axle assemblies. Plus, with no core charge, it's a hassle-free upgrade for your Mini's manual transmission.

    • High-quality replacement axle assemblies from GSP
    • New boots, CV joints, and shaft ensure long-term durability
    • No core charge, making it a hassle-free upgrade
    • Compatible with manual transmissions
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    GSP North America - Corporate Logo
    T#:23416538
    Part#: NCV49505
    In Stock
    $ 152.99 USD
    Free Shipping on orders $49 and up

    Revitalize your Mini with GSP's Replacement Axle Assemblies, a perfect solution for worn-out axles. Featuring new boots, CV joints, and shaft, these assemblies ensure years of reliable service. Crafted by the same experts who manufactured your car's original equipment, these replacements guarantee factory-like performance. Don't risk a potential breakdown due to a failing axle or CV joint. Upgrade today to avoid unforeseen problems. This brand new axle shaft assembly doesn't require returning the old axle, as there's no core charge.

    • Renewed axles for improved performance
    • New boots, CV joints, and shaft for durability
    • Equivalent performance to factory pieces
    • No core charge for hassle-free replacement
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    Packaged by Turner - Corporate Logo
    T#:41458810
    Part#: 23117545085T4KT
    Ships in 5 Business Days
    $ 230.99 USD
    Free Shipping on orders $49 and up
    Everything you need for a quick and easy install and a smooth clutch operation!


    GSP North America - Corporate Logo
    T#:27205360
    Part#: NCV49508
    Ships in 2 Business Days
    $ 140.99 USD
    Free Shipping on orders $49 and up
    GSP North America - Corporate Logo
    T#:27205359
    Part#: NCV49514
    Ships in 2 Business Days
    $ 93.99 USD
    Free Shipping on orders $49 and up
    GSP North America - Corporate Logo
    T#:54388487
    Part#: NCV49013
    Ships in 2 Business Days
    New Item
    $ 175.99 USD
    Free Shipping on orders $49 and up
    When it comes to keeping your ultimate driving machine planted and putting power to the pavement, compromise isn't an option. Since 2004, GSP has been an industry leader in North American drivetrain technology, consistently beating the competition to market with the newest applications and broadest coverage.
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    GSP North America - Corporate Logo
    T#:28869574
    Part#: NCV49015
    Ships in 2 Business Days
    $ 142.99 USD
    Free Shipping on orders $49 and up
    When axle shafts fail, the CV joints are often the root cause. These joints enable the axle shaft to rotate smoothly and quietly. However, if they malfunction, you may experience symptoms such as vibrations in the drivetrain, clicking noises during turns, and challenges while driving. Replacing your axle assembly can help restore your vehicle's driving performance.
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    Packaged by Turner - Corporate Logo
    T#:41458807
    Part#: 23117545085T3KT
    Ships in 5 Business Days
    $ 224.74

    This product was last offered at the strikethrough price on
    05-04-2026

    $ 223.44 USD
    Free Shipping on orders $49 and up
    $ 223.44 USD
    Free Shipping on orders $49 and up
    Everything you need for a quick and easy install and a smooth clutch operation!

    GSP North America - Corporate Logo
    T#:31622604
    Part#: NCV27033
    Ships in 2 Business Days
    $ 164.99 USD
    Free Shipping on orders $49 and up
    GSP North America - Corporate Logo
    T#:23748128
    Part#: NCV49042
    Ships in 2 Business Days
    $ 250.99 USD
    Free Shipping on orders $49 and up

    GSP North America - Corporate Logo
    T#:23714980
    Part#: 270004K
    Ships in 2 Business Days
    $ 155.99 USD
    Free Shipping on orders $49 and up

    GSP North America - Corporate Logo
    T#:54388515
    Part#: NCV49044
    Ships in 3 Business Days
    New Item
    $ 116.99 USD
    Free Shipping on orders $49 and up
    In the world of European performance, your drivetrain is only as strong as its weakest link. If your right rear axle is suffering from torn boots or worn CV joints, you are losing efficiency and risking a critical failure on the street or the autocross pad. The GSP Rear Right Axle Assembly offers a precision-engineered solution to restore the structural integrity of your vehicle's drivetrain.
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    GSP Axle Assembly - Front Right - R50
    For vehicles with production to 7/2004 : Manual Transmission Manual Transmission
    GSP North America - Corporate Logo
    T#:54388377
    Part#: NCV49501
    Ships in 2 Business Days
    New Item
    $ 164.99 USD
    Free Shipping on orders $49 and up
    $ 164.99 USD
    Free Shipping on orders $49 and up
    Don't wait for a total CV joint failure to leave you stranded at the track or on the side of the highway. It’s time to restore drivetrain integrity with these brand new replacement axle assemblies from GSP.
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    GSP North America - Corporate Logo
    T#:23714981
    Part#: 270008
    Ships in 2 Business Days
    $ 139.99 USD
    Free Shipping on orders $49 and up


    Packaged by Turner - Corporate Logo
    T#:41425006
    Part#: 038668LA01KT2
    Ships on Sep 21, 2026
    Sale - Save 8% $ 1,599.99

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

    $ 1,468.79 USD
    Free Shipping on orders $49 and up
    Sale - Save 8%
    $ 1,599.99

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

    $ 1,468.79 USD
    Free Shipping on orders $49 and up

    The factory dual-mass flywheel in MINI N14 and N18 engines is engineered for comfort, minimizing drivetrain vibrations and smoothing out gear transitions. However, that comfort comes at a price—28.3 lbs. of rotational mass that dulls throttle response, slows acceleration, and hampers precise rev-matching. Dual-mass flywheels are also notoriously prone to failure under high-performance or tuned driving conditions, and their replacement costs can be steep.

    The ECS Performance Lightweight Flywheel Kit eliminates these compromises with a precision-engineered, single-mass flywheel that delivers true enthusiast-grade performance. Weighing in at just 18.8 lbs, this flywheel sheds nearly 10 lbs. of rotating mass compared to OEM—instantly sharpening throttle response, improving clutch feel, and delivering quicker acceleration that transforms the driving dynamics of your MINI.

    Performance-Oriented Design: This flywheel is specifically engineered to work with OE and aftermarket unsprung clutch discs. While dual-mass setups provide damping on stock vehicles, switching to a single-mass flywheel with an unsprung disc introduces more direct engagement—ideal for spirited daily driving or track-ready builds. Expect a more aggressive, performance-focused clutch feel.

    Key Features:

    Lightweight Construction: Sheds nearly 10 lbs. of rotating mass for faster revs and improved acceleration

    4140 Chromoly Steel: Heat-treated to HRC 28–32 for outstanding strength, wear resistance, and dimensional stability

    Precision-Balanced: Exceeds OEM G16 specification (175 g-mm) for smooth, high-RPM operation

    Black Oxide Coating: Offers corrosion resistance and a professional finish

    OE-Compatible Fitment: Designed to work seamlessly with N14 architecture clutch kits

    SFI 1.1 Certified: Proven safe and reliable under extreme operating conditions

    Optimized Step Height: Ensures maximum clutch clamping force and long-term durability

    Performance Gains:

    OEM Dual-Mass Flywheel Weight: 28.3 lbs

    ECS Single-Mass Flywheel Weight: 18.8 lbs

    Weight Savings: Nearly 10 lbs of reduced rotational mass

    Results: Sharper throttle response, more precise rev-matching, and a more engaging driving experience

    Kit Includes:

    ECS N14/N18 Lightweight Performance Flywheel

    South Bend Stage Two “Daily” Clutch Kit

    Pilot Bearing

    Throw-Out Bearing

    Clutch Alignment Tool

    (6) Genuine MINI Flywheel Bolts

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    Packaged by Turner - Corporate Logo
    T#:41458827
    Part#: 26111227869TKT
    Ships in 1 day
    Sale - Save 26% $ 242.99

    This product was last offered at the strikethrough price on
    04-20-2026

    $ 180.37 USD
    Free Shipping on orders $49 and up
    Sale - Save 26%
    $ 242.99

    This product was last offered at the strikethrough price on
    04-20-2026

    $ 180.37 USD
    Free Shipping on orders $49 and up
    This Driveshaft Flex Disc and Center Support Bearing Kit includes a high-quality giubo, durable center support bearing (CSB), and all essential installation hardware. Designed for precise fitment, this kit restores drivetrain stability, reduces vibration, and ensures reliable performance in BMW driveline repairs.
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    Packaged by Turner - Corporate Logo
    T#:41289784
    Part#: 038682LA03KT
    In Stock
    $ 852.54 USD
    $ 852.54 USD

    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.

    **This flywheel is to match with a factory type or aftermarket NON Dampened clutch kit!** MINIs factory set up engagement is dampened by the dual mass flywheel. This will be a little more aggressive engagement of the clutch over the stock factory set up as they system in not dampened!! Can be used from daily to the track days.

    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. Kit Contents:

    ECS W11 Lightweight Flywheel OEM LUK Clutch Kit OEM LUK Clutch Alignment Tool OEM LUK Release Bearing Genuine MINI Guide Tube Genuine MINI Flywheel Bolts (M10x48) Upgraded ARP Pressure Plate Screws (M9x15)

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    GSP North America - Corporate Logo
    T#:24079624
    Part#: 3519051
    Back Ordered
    $ 47.99 USD
    Free Shipping on orders $49 and up

    Packaged by Turner - Corporate Logo
    T#:56291056
    Part#: 22118743621KT2
    Back Ordered
    New Item
    $ 137.99 USD
    Free Shipping on orders $49 and up
    Built around a fresh URO OE-spec Engine Mount and reinforced with a Powerflex Street Polyurethane Insert, this kit locks down excessive engine play. Factory rubber mounts prioritize complete isolation at the expense of driver feedback.
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