BMW Drivetrain Parts for BMW G80 M3 S58 3.0L

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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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Ultimate Shifter Rebuild & Upgrade Kit - G80 M3, G82/G83 M4, G87 M2 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:40545940
Part#: G8X-USRKT2
In Stock
Sale - Save 18% $ 614.99

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

$ 502.39 USD
Free Shipping on orders $49 and up
Sale - Save 18%
$ 614.99

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

$ 502.39 USD
Free Shipping on orders $49 and up

Over time, factory rubber bushings and plastic components break down, leaving your shifter feeling loose, vague, and disconnected. That lack of precision doesn’t just dull the driving experience—it takes away from the performance BMWs are known for. If your G8X shifter isn’t delivering the crisp engagement you expect, we've developed an all-inclusive fix.

The Ultimate G8X Shifter Rebuild & Upgrade Kit has been expertly crafted by our team of BMW enthusiasts to bring back the sharp, direct shifting feel your BMW deserves. This all-in-one kit combines high-performance upgrades with refreshed OEM hardware, offering a complete overhaul for your shifting system:

Turner Motorsport G8X Dual-Shear Selector Rod (DSSR)

Dual-contact design delivers smoother, more accurate gear changes compared to the OEM single-sided rod

Precision-machined from 6061-T6 billet aluminum for strength and durability

Includes custom-fit shims and connecting pins for easy installation

Maintains factory 232mm length, ensuring there is no change to the factory shift knob position

Replaces OEM Part #: 25118097173

Turner Motorsport G8X Polyurethane Rear Shifter Bushing

Ditch the soft factory rubber! This polyurethane upgrade reduces play and sharpens feedback

CNC-machined aluminum housing with 70A high-durometer polyurethane insert

Corrosion-resistant Type II anodized finish

Replaces OEM Part #: 25118623459

ECS Teflon Shifter Bushing Kit

Replaces the front rubber bushing with low-friction, long-lasting Teflon

Reduces side-to-side play in the shifter carrier

Includes new carrier pins for a complete install

Replaces OEM Part #: 25117507695

Also included are essential Genuine and OE components to ensure a full-service refresh:

BMW Shifter Rod Joint – 25117580281

Vaico Circlips (Qty 2) – 25117571899

Bremmen Shifter Ball Bushing – 25111220600

Experience precision like never before—upgrade your shifting experience today with the Ultimate Shifter Rebuild & Upgrade Kit.

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Rear Differential Service Kit for various BMW Models
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:42133544
Part#: 835225790TKT
In Stock
$ 59.72 USD
Free Shipping on orders $49 and up
The kit includes 2 Quarts of Red line 75w90 - 57904 and brand new Rein rear diff oil drain plug M22x1.5
Manual Transmission Service Kit - BMW G8X M2 M3 M4 (Non-Comp) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:31092591
Part#: TMSG8XM3MTSKT1
In Stock
$ 95.99

This product was last offered at the strikethrough price on
03-12-2026

$ 82.99 USD
Free Shipping on orders $49 and up
$ 82.99 USD
Free Shipping on orders $49 and up
The oil in your manual transmission is extremely vital to the life of your transmission. Over time it will begin to break down, lose viscosity, and begin to allow excess heat and friction. This kit is the perfect remedy to this problem. Included are 2 Liters of Liqui-Moly's 8100 transmission fluid, which is recommended by Liqui-Moly for this manual transmission and features a fully synthetic base for better protection and wear resistance, and Genuine BMW fill and drain plugs.
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Manual Transmission Service Kit - BMW G8X M2 M3 M4 (Non-Comp) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:31092589
Part#: TMSG8XM3MTSKT
In Stock
$ 98.99 USD
Free Shipping on orders $49 and up
The oil in your manual transmission is extremely vital to the life of your transmission. Over time it will begin to break down, lose viscosity, and begin to allow excess heat and friction. This kit is the perfect remedy to this problem. Included are 2 Liters of Redline DCTF transmission fluid, which is recommended by Redline for this manual transmission and features a fully synthetic base for better protection and wear resistance, and Genuine BMW fill and drain plugs.
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VTT BMW Carbon Fiber Driveshaft - G8X RWD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:44122898
Part#: DRVSTCFG8XRWD
Ships on Jul 23, 2026
$ 1,999.99 USD
Free Shipping
$ 1,999.99 USD
Free Shipping
Upgrade your driveshaft to carbon fiber to reduce weight while improving driveline responsiveness and feel thanks to the elimination of rubber universal joints.
Vargas Billet Differential Lock Down Kit - Black - BMW G8X
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:52129738
Part#: VTT-G8X-LOCKDOWN
Ships on Jul 23, 2026
New Item
$ 739.99 USD
Free Shipping
$ 739.99 USD
Free Shipping
This black-anodized kit provides the reinforcement BMW intended but never fully realized in the factory design.

Vargas Front Differential Bushing Reinforcement Insert Kit - Rear - B...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:52129737
Part#: G8XDIFFINSTRO
Ships on Jul 23, 2026
New Item
$ 132.99 USD
Free Shipping
$ 132.99 USD
Free Shipping
The G8X Rear Billet Diff Insert Kit is a precision-machined reinforcement component that installs directly into the rear differential bushing.
Vargas Front Differential Bushing Reinforcement Insert Kit - Front - ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:52129733
Part#: G8XDIFFINSFRT
Ships on Jul 23, 2026
New Item
$ 132.99 USD
Free Shipping
$ 132.99 USD
Free Shipping
The Vargas Turbo Technologies Front Diff Reinforcement Kit is a vital upgrade for high-horsepower S58-powered vehicles.