01
The street starting line
Stage 1
A clean, vehicle-aware path for drivers who want their first StageForge build scoped around how they use the car.
Components and expected results are confirmed after vehicle verification.
BMW B58 launch / 340i · 440i · M240i
B58 Stage Packages
Built for the Street. Priced for the Dealer. Start with your car, your goals, and a verified plan—not a generic cart.
StageForge / B58
Your car. Your stage.
First step
Tell us what you drive and how you want it to feel. We verify fitment before recommending a package direction.
FitmentGoalsLocal install
Choose a direction
Four ways to build B58.
These are package paths, not products for purchase. Components and expected results are confirmed after vehicle verification.
02
The next system
Stage 2
A broader package direction for owners planning a more involved B58 build without piecing the plan together alone.
Components and expected results are confirmed after vehicle verification.
03
Built for repeated use
Track Package
A planning path for drivers prioritizing sustained use, supporting systems, and an installer-ready conversation.
Components and expected results are confirmed after vehicle verification.
04
Keep the signal quiet
Sleeper Package
A restrained build direction for owners who want the car to stay understated while the package stays intentional.
Components and expected results are confirmed after vehicle verification.
B58 owner intake
Request your StageBuild.
This is a request for a personalized StageBuild recommendation—not an order. Give us the build context that matters before we point you toward a package.
Fitment is verified before any recommendation.
Your ZIP code helps us understand local install needs.
Professional installation is recommended where appropriate.
StageForge Build Card
Your build, documented.
Verified parts
The components confirmed for your car.
Installer
The shop that brought the plan to life.
Build story
The decisions behind the build.
Media
A place for the moments worth sharing.
One scan, real context
Build Card preview.
Coming with your StageForge build: a QR-powered vehicle profile that connects verified parts, installer, build story, and media in one place.
The Build Card is a planned StageForge experience, not a currently active service.
Installer / dealer application
Built with the shop in mind.
StageForge is building a package-first demand engine for serious B58 installers. Tell us what your shop does and where you work.
Protected advertised pricing
Package-ready demand
Qualified local install leads
We set clear advertised-pricing expectations while each shop remains responsible for its own customer conversations and services.
Early access
Keep the next stage close.
B58 launch updates, package development, and the Build Card rollout—straight to your inbox.
Fitment is verified before a StageBuild recommendation is made.
Emissions legality and local compliance are the buyer's responsibility.
Professional installation is recommended where appropriate.