E30 And Vintage BMW Performance Parts
Engineered and Track-Proven by enthusiasts who demand performance and reliability
Performance Parts for Every Stage of Your Build
Custom-machined components for street builds and competitive race programs
Precision CNC Machining
CNC machining for automotive and performance components
Product Design & Manufacturing
In-house CNC machining and mechanical design services supporting brands and race teams
Why Choose Stim Tech
We specialize in precision-machined components and end-to-end manufacturing services, including design, prototyping, and production. From one-off parts to full production runs, we deliver reliable machining solutions for demanding
automotive and performance projects.
Custom Parts & Private Label Manufacturing
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Mechanical Design & Product Engineering
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Prototype Machining & Testing
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Precision CNC Machining & Production Services
Shop Our Performance Products
We offer a growing range of performance products for chassis-specific and universal applications.
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BMW M20 Billet Fuel Rail (-8)
Regular price $345.00 USDRegular priceSale price $345.00 USD -
Billet Push-rod Suspension Rocker Set (2 Rockers)
Regular price $715.00 USDRegular priceSale price $715.00 USD -
M20 Billet Thermostat Housing (-20 ORB)
Regular price From $476.00 USDRegular priceSale price From $476.00 USD -
BMW E30 M20 Billet Valve Cover
Regular price $1,055.00 USDRegular priceSale price $1,055.00 USD



