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BMW Drivetrain Parts

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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OEM Getrag Transmission Drain/Fill Plug - M18x1.5x12mm

T#:51356006

Part#: 28107850241

Ships in 2 Business Days

$ 25.99

This product was last offered at the strikethrough price on
05-08-2026

$ 22.99 USD

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$ 22.99 USD

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Billet Diff Lock Down Kit

T#:21176906

Part#: VTT-A9X-DLD

In Stock

Sale - Save 7% $ 313.99

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

Starting at $ 291.99 USD

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Sale - Save 7%

$ 313.99

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

Starting at $ 291.99 USD

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VTT noticed a hole in the A9X/Z4 market for a high-quality, lightweight, NVH-friendly, and easy-to-install Diff Lock Down kit to improve diff stability under launching, and hard cornering. Vargas went to work on a very innovative design that 100% positively locks the diff down from movement, while shielding it from adding a ton of NVH, and can be used with the stock diff, and subframe bushings. This design uses existing mounting points on the vehicle, you do NOT have to remove the subframe or the Diff to install. Simply remove 4 diff bolts, drill two holes in the subframe slightly bigger, install two M10 riv-nuts, and install the lockdown, you do not even have to move the exhaust. A typical install can be 15-30 minutes for someone who is experienced. You will need a Riv-nut tool to install the Riv-nuts as one is not included. Features: Lightweight 1.5 lbs for the entire lockdown plate Uses FOUR connection points on the Diff, and two on the subframe for the ultimate in positive diff location, this will stop all diff movement on launch, saving your guibos, etc 100% Billet construction from 6061-T6 aluminum Anodized in 4 colors for corrosion resistance, a long-lasting finish, and good looks The subframe does NOT have to be removed for installation Uses all 12.9 grade hardware Does not add excessive NVH Positively locks down the diff to eliminate all unwanted movement under launches, acceleration, cornering, etc.

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Powerflex Transmission Mount Bushing - Heritage Series

T#:54388391

Part#: PFF5-4655H

Back Ordered

$ 118.99 USD

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$ 118.99 USD

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Stabilize your gearbox under heavy cornering loads. These 70A durometer Heritage mounts increase rigidity by 150% to prevent shift-linkage binding, utilizing a discrete dark grey finish to blend into your undercarriage.

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Performance Polyurethane Rear Differential Bushings

T#:54317180

Part#: PFR5-324

Back Ordered

$ 51.99 USD

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$ 51.99 USD

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Vargas Rear Bushing Insert Kit - BMW G0X X3/X4, G11/12 7

T#:51778109

Part#: VTT-X3-REAR-INSE

Ships on Aug 28, 2026

$ 109.99 USD

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$ 109.99 USD

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The VTT G0X Rear Bushing Insert Kit is a critical preventative upgrade for owners of BMW G-Series vehicles.

Rogue Engineering E46 M3 Differential Bushing (Front Position) FIX ...

T#:54388516

Part#: RE.484.FIX

Ships in 9 Business Days

$ 64.00 USD

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$ 64.00 USD

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A common failure point on the BMW E46 M3 platform occurs when the side differential mounting bolt backs out, leading to stripped threads in the differential cover.

Vargas Front Differential Bushing Reinforcement Insert Kit - Front - ...

T#:52129733

Part#: G8XDIFFINSFRT

Ships on Aug 28, 2026

$ 132.99 USD

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$ 132.99 USD

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The Vargas Turbo Technologies Front Diff Reinforcement Kit is a vital upgrade for high-horsepower S58-powered vehicles.

Vargas Front Differential Bushing Reinforcement Insert Kit - Rear - B...

T#:52129737

Part#: G8XDIFFINSTRO

Ships on Aug 28, 2026

$ 132.99 USD

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$ 132.99 USD

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The G8X Rear Billet Diff Insert Kit is a precision-machined reinforcement component that installs directly into the rear differential bushing.

Vargas Billet Differential Lock Down Kit - Black - BMW G8X

T#:52129738

Part#: VTT-G8X-LOCKDOWN

Ships on Aug 28, 2026

$ 739.99 USD

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$ 739.99 USD

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This black-anodized kit provides the reinforcement BMW intended but never fully realized in the factory design.

Vargas Carbon Fiber Driveshaft - Toyota A90/91 Supra

T#:51672704

Part#: VTT-SUPRA-DRIVES

Ships on Aug 28, 2026

$ 1,769.99 USD

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$ 1,769.99 USD

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The VTT A90/91 Supra Carbon Fiber Driveshaft is the definitive solution for MK5 owners who demand ultimate strength without the drag of a heavy OEM assembly.

Vargas 4130 Chromoly Driveshaft - Toyota A90/91 Supra

T#:51778133

Part#: VTT-SUP-DS

Ships on Aug 28, 2026

$ 1,214.99 USD

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$ 1,214.99 USD

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The VTT 4130 Chromoly Driveshaft is a heavy-duty driveline upgrade designed specifically for the A90/91 Toyota Supra.

VTT Carbon Fiber Driveshaft - BMW F90 M5

VIN Required For Purchase - Please call in to order this item - Out of stock Carbon Driveshaft orders may take 1-6 moths due to production lead times

T#:49857421

Part#: VTTCFDSF90M5

Ships on Aug 28, 2026

$ 2,099.99 USD

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$ 2,099.99 USD

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VTT is proud to offer a premium carbon fiber driveshaft, manufactured exclusively for VTT in the USA by PST, one of the most respected names in carbon fiber driveshaft technology. Each driveshaft is constructed using 3.25″ carbon fiber tubing, paired with Spicer 1350 yokes and U-joints, then bonded using PST’s proprietary process and precision balanced to within 1/8 in-oz as a complete assembly.

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OUTPUT SHAFT FRONT RIGHT

T#:50895918

Part#: 31607576094

Ships in 9 Business Days

9% off MSRP $ 763.99

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

$ 697.99 USD

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9% off MSRP

$ 763.99

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

$ 697.99 USD

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OUTPUT SHAFT FRONT LEFT

T#:50824050

Part#: 31607576096

Ships in 9 Business Days

5% off MSRP $ 1,223.99

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

$ 1,166.99 USD

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5% off MSRP

$ 1,223.99

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

$ 1,166.99 USD

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Powerflex Transmission Mount Bushing - Black Series

T#:54388342

Part#: PFF5-4655BLK

Back Ordered

$ 118.99 USD

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$ 118.99 USD

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Secure your gearbox geometry at the absolute limit. These 95A durometer Black Series mounts increase stiffness by 375%, preventing transmission twisting to ensure flawless shifting and maximum torque translation.

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