Transmission Upgrades & Tuning in Perth

Take control of your vehicle’s drivetrain with precision built transmission upgrades designed for responsiveness, performance and durability. Whether you’re chasing faster shifts or increased torque handling, GMW Perth delivers custom solutions tailored to your vehicle and goals.

Upgrade Your Transmission Today

Optimised Shift Response Crisp, faster gear changes without hesitation.

Increased Torque Capacity Reinforced components built for high powered performance.

Tailored Tuning Solutions Expert calibration for daily drivers, weekend cruisers and track builds.

Performance Transmission Tuning For Total Drivetrain Control

Your vehicle’s transmission system is the vital link between your engine and the road. If tuned incorrectly, you’ll feel the lag, sluggish shifting, loss of power or inefficient gear engagement. At GMW Perth, we fine-tune and upgrade both automatic and manual transmissions to deliver seamless power transfer and enhanced torque capacity, ensuring your vehicle performs the way it was meant to.

From Sluggish To Seamless

Your vehicle’s factory transmission can have a significant impact on performance. You may notice delayed shift points, gear slipping under load or a drivetrain that just can’t keep up with engine upgrades. Our performance transmission upgrades and tuning eliminate those issues, delivering lighting fast shifts, increased torque handling and drivetrain reliability for both street and track applications.

Why Choose GMW Perth For Transmission Upgrades?

At GMW Perth, we don’t believe in ‘one size fits all.’ We take the time to understand your setup, goals and driving style to deliver tailored, proven results.

Performance-Focused Tuning

Custom calibrations for sharper, faster shift response.

High Strength Components

Reinforced clutches, gears and internals to handle serious torque.

Specialists in BMW-Powered Vehicles

Decades of experience with precision-built drivetrains.

Smooth Power Delivery

Improved shift mapping for more consistent, responsive driving.

Street, Track & Motorsport Builds

We tailor your tune to your unique driving conditions.

Get A Custom Transmission Quote

Our Transmission Services

Performance Gearbox Tuning

ECU and TCU recalibration for smoother, quicker gear changes. Ideal for drivers looking to optimise shift logic, throttle response and launch control.

High Performance Clutch & Flywheel Upgrades

Upgrade to heavy duty clutches and lightweight flywheels for more consistent shifts, faster engagement and improved drivetrain responsiveness under load.

Custom Transmission Builds

ECU and TCU recalibration for smoother, quicker gear changes. Ideal for drivers looking to optimise shift logic, throttle response and launch control.

Benefits of Transmission Upgrades & Tuning

Faster & Sharper Shifts

Say goodbye to lag and delayed response.

Higher Torque Capacity

Reinforced to handle more power without premature wear.

Better Power Transfer

Maximise efficiency between the engine and wheels.

Smoother Driving Feel

Eliminate hesitation and clunky transitions.

Built For The Long Haul

Reduce stress on transmission, extending component lifespan.

Don't Just Take Our Word For It

Isaac B

Fantastic, knowledgeable, informative, team at GMW. Had my 3series with them for some work and I can’t think of a single negative thing to say. Kept me in the loop at all times and made sure that the work they did is to the highest of quality and satisfaction. Any questions I had were answered with confidence and reassurance. Can only recommend for any BMW OR MINI work you need.

Jeremiah O

Great service from the mobile servicing team at GMW. Josh identified the problem and sourced all the parts to have the car running again by the end of the day. Excellent service and great communication!

William G

True enthusiasts and the coolest guys who know everything about BMW machines. After ‘shopping around’ other mech shops to try and fix my fuel delivery issue, Douglas and team at German Motor Werks identified and fixed the issue with confidence, and that was extremely reassuring. I wouldn’t take my BMW to anywhere else any longer! Cheers

Nick M

Just had the third service with GMW on our 2018 M4 Competition. These guys are the best. No birds, just great service and sensible advice, and excellent value. Highly recommended.

James M

First time taking my BMW in and I couldn’t have been happier with the work done. Douglas and the team provided an in-depth explanation, including photos of every step of the repair that was completed, and was more than happy to take the time to explain exactly why the car had the issue. Not only this but GMW is the most professional and affordable specialist that I have gone to. I will absolutely be returning to GMW for any future work that is needed and couldn’t recommend GMW more. Thank you Douglas and the rest of the team for looking after my vehicle.

Vikki S

I cannot fault the work Josh (GMW) has done on my Mini Cooper S. This is my seventh mini and I have had some disappointing experiences with various mechanics over the years. I have found Josh to be very helpful, competent and knowledgable about minis and he explains things when I have any queries. Plus, It is very convenient to have him come to my home. I would not hesitate to recommend him to anyone with a Mini or BMW and wish I had found him before.

Sally M

Douglas and the team are excellent at what they do. Their treatment of me and my car leaves no doubt. Always up front and honest, and provide great advice. Highly recommend if you love your car and want the best care for it!

Our Transmission Upgrade Process

Over the years we have developed and refined a proven process to deliver reliable transmission services to our valued clients:

Consultation & Assessment

We evaluate your vehicle, setup and goals.

Custom Upgrade Plan

We recommend parts and tuning suited to your driving needs.

Precision Installation

All upgrades are fitted in-house by our experienced service team.

Calibration & Testing

Road and Dino testing to confirm smoothness shift accuracy and reliability.

Final Review & Support

We walk you through the results and stand by our workmanship.

Transparent Pricing For Transmission Upgrades

We provide detailed, upfront pricing based on the complexity of the build, the components used and the level of tuning required. No hidden costs or surprises. Just premium results delivered with the utmost integrity.

Frequently Asked Questions

Transmission tuning improves shift response, acceleration and drivetrain efficiency. It’s particularly important if you’ve added engine upgrades as it helps the gearbox keep up with added torque and power.

Absolutely. We work on all types – including dual-clutch and traditional autos. Whether you’re upgrading your manual gearbox with a high performance clutch, or fine tuning shift points in an automatic, we tailor the solution to your vehicle.

If your vehicle is experiencing laggy shifts, slipping gears or poor torque delivery, it’s likely your transmission system is underperforming. Even if it’s not failing, tuning or upgrades can dramatically improve performance and driving feel.