40T Performance & Engineering — European Repair, Performance & Parts in Corona, CA
European Service. Done Right.
From oil changes to full engine rebuilds. Factory-level diagnostics, maintenance and performance installs for European cars.
Parts We Run On Our Shop Cars.
E85 flex fuel, HPFP and turbo components for the 4.0T platform and beyond. Proven in our bays before they ship to you.
Full-Service European Shop
Service & Maintenance
Oil changes, brakes, trans & AWD fluids, suspension, mounts and control arms.
Diagnostics
Deep scan codes across the engine, transmission and all modules.
Boost Leak Testing
Experts in finding boost and vacuum leaks to restore lost power.
Performance Upgrades
Brakes, intercooling, turbo, exhaust and fueling.
E85
Flex fuel setups matched to the hardware on your car.
Aero & Body Kits
Spoilers, diffusers, wings and canards, fitted and installed.
Engineering
3D scanning, reverse engineering and prototyping.
Fabrication
Custom lines, fittings and one-off solutions.
Engine Builds
Teardowns, rebuilds and full engine builds.
Book Your Service Appointment
Shop Now
It might not be your turbo.
Find boost and vacuum leaks fast with the same Turbo Boost Leak Testers we use in our shop. Designed and engineered in the USA.
Shop Turbo Boost Leak Testers →About 40T
40T Performance & Engineering is a European repair and performance shop with a focus on product engineering and development, based in Corona, California. We handle everything from routine service to complete engine builds, and we design and sell the parts we trust on our own cars.
Corona, CA 92882
Saturday: By appointment only
Sunday: Closed