Performance Engine Building
Your engine is the beating heart of your vehicle, and when performance matters, every detail counts. At GMW Perth, we design and build custom high-performance engines delivering exceptional power, durability and response. Whether you’re looking to dominate the track or elevate everyday performance, we’re here to bring your vision to life.
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Built For Peak Power, Engineered For Longevity
A performance engine build goes far beyond a power upgrade. It’s about creating a perfectly balanced, high-revving unit that runs with reliability and intent. At GMW Perth, we approach every build with engineering precision and deep mechanical insight. From street-legal upgrades to full-blown motorsport applications, we deliver engines that go both faster and further.
Tired of Limitations? Let Your Engine Breathe
Factory engines are built to satisfy broad market requirements, often prioritising economy over performance. That means you’re left with untapped potential under the bonnet. If your vehicle’s engine feels sluggish, inconsistent or underpowered, it might be time to consider an upgrade.
Our performance engine builds are tailored from the ground up to meet your unique vision, delivering seamless power, increased torque and superior response at every RPM.
Why GMW Perth Is Your Trusted Engine Building Specialist
Choosing the right team to build your performance engine is crucial. At GMW, we combine years of experience, industry-leading equipment and a deep understanding of BMW vehicles.
Our technicians have years of precision engine building and tuning experience.
We only utilise trusted, race-proven brands and components to ensure performance.
Our Performance Engine Services
Custom High Performance Engine Builds
Engine Blueprinting & Balancing
Forced Induction Performance Builds
The Benefits of A Custom-Built Performance Engine
A custom-built engine does more than increase horsepower. It transforms how your vehicle responds, accelerates and endures under stress.
Unlock power you can actually feel on the road or track.
Better combustion and airflow improve throttle response and fuel use.
Built to handle high-performance loads without compromise.
Whether you need daily drive reliability or race-grade power, we deliver.
Future modifications are more effective and easier to install with a purpose built engine.
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The Performance Engine Build Process
We take a methodical, proven approach to engine building to ensure precision, consistency and performance from start to finish.
Expertly machined and assembled with rigorous attention to detail.
We run your engine through our dyno to measure performance and refine tuning based on the results.
You receive a fully tested engine, ready for installation and backed by our expert support.
Transparent Pricing For Custom Engine Builds
Performance engine building is a tailored process where no two projects are the same. That’s why our pricing is provided on a case-by-case basis. During your initial consultation, we’ll walk you through a clear breakdown of the required parts, labour and tuning to ensure you know exactly what to expect. No surprises – just professional service, delivered with integrity.
Frequently Asked Questions
How Long Does A Custom Engine Build Take?
Build time can vary depending on the scope of work and parts availability. On average, most engine builds are completed within 4-12 weeks. We’ll give you a more accurate timeline during your consultation and keep you updated throughout the process.
Can You Build Engines For Motorsport Applications?
Absolutely. We specialise in performance engine builds for motorsport, track, drag and time attack applications. We can help you meet power targets while maintaining the durability required for competitive driving.
Do You Offer Dyno Tuning With Engine Builds?
Yes, dyno tuning is an essential part of our process. We fine-tune your engine on the dyno to ensure it performs safely and efficiently under load, giving you confidence on the road or track.