Modifications & Performance Upgrades
Crafting bespoke performance packages that combine raw power with precision engineering.
delivering head-turning results
Modifications &
Performance Upgrades
At G-tech Motor-Works, we specialise in high-performance modifications for BMW and Volkswagen Audi Group vehicles, with a strong focus on the BMW S58 and B58 platforms. Whether you’re chasing big power, sharper handling, or all-round driving enhancement, our expert team delivers proven results backed by years of engine-building and tuning experience.
We offer a full range of modification services, including:
Engine Builds & Upgrades
From forged internals to full performance engine builds, we are specialists in the S58 and B58 platforms. Our engine builds are designed for strength, power, and reliability — whether you’re building for the road or the strip.
Turbocharger & Induction Upgrades
We supply and fit upgraded turbo kits, intercooler systems, and custom intake solutions to maximise airflow and boost response, delivering serious performance gains.
Fuel System Upgrades
Custom performance exhaust systems deliver enhanced power, reduced backpressure, and a commanding soundtrack that announces your vehicle’s presence with authority.
Suspension & Handling Packages
We are authorised dealers for KW Automotive, Nitron Suspension, and Suspension Secrets, offering fully custom suspension setups for road, track, and drag applications. Whether you’re looking for improved comfort, sharper handling, or a competition-ready chassis, we provide expert advice, setup, and installation to help your car handle exactly how it should.
Drivetrain & Clutch Solutions
As the UK’s first Dodson Motorsport dealer for the GXX platform, we offer industry-leading clutch and drivetrain upgrades for high-powered BMWs. Our Dodson clutch solutions are engineered to handle extreme torque levels while maintaining smooth drivability — ideal for those pushing the limits on the street or track.
ECU & TCU Calibration
We are an authorised MHD dealer and XHP Flashpoint dealer, offering a full range of engine and gearbox tuning solutions for BMWs. From custom ECU calibrations to unlocking services, we ensure your BMW performs to its full potential — whether you’re after more power, better response, or refined drivability. Our bespoke tuning solutions are tailored to your specific setup and driving goals.
Wheels & Tyres
We supply and fit high-performance wheels and tyre packages to suit your setup and driving style — whether you’re chasing grip, aesthetics, or both.
Aerodynamics
We are proud to be the UK’s first Vulcan Alpha dealer, providing advanced aerodynamic solutions for serious enthusiasts. From aggressive splitters to full carbon fibre wing setups, we offer both function and style to enhance stability, downforce, and visual impact on and off the track.
Braking Systems
From performance brake pad and disc upgrades to full big brake kits, we ensure your car has the stopping power to match its performance. We only use trusted, high-quality components built to handle the pressure.
Whatever your performance goals, G-tech Motor-Works is your trusted partner in taking your vehicle to the next level — with quality, expertise, and proven results at every step.
Visit Our Parts shop
Browse our extensive store for a wide selection of high-performance and upgraded parts specifically designed for your BMW and Porsche, ensuring that you find exactly what you need to enhance your vehicle's performance and style.
