Dfirst

ONE-CLICK CAR CODING

& DIAGNOSTIC OBD TOOL

One-Click

Eliminate tedious steps

Diagnosis

Care for the health of your vehicle

Service

Ensure optimal performance

Could backup

No worries about data loss

Hot update

Respond to your needs quicker

ONE-CLICK CODING
For BMW, Mercedes-benz, Audi and VW vehicels

Unlock and restore hidden features with one-click coding. No expertise needed — everything works in a single simple step.

SERVICE

Oil Reset, TPMS, BMS, DPF and more — helping you keep your vehicle healthy with better performance, higher efficiency, and lower costs.

ONE-CLICK RETROFIT

For BMW, Mercedes-benz, Audi and VW vehicels

One-click coding for retrofits and upgrades, ensuring seamless integration with new hardware — become the master of your own build.

FULL-SYSTEM DIAGNOSTICS

Not just full OBD2 modes — full-system diagnostics give your vehicle a complete scan. Unlock detailed diagnostic reports, so no issue stays hidden.

BATTERY TEST & INSPECTION

Check your vehicle’s battery status with real-time voltage charts. Scan each component’s VIN and system mileage to detect replaced parts or tampered odometers.

CLOUD BACKUP & HOT UPDATE

Cloud backups protect your data, and hot updates deliver new features and fixes instantly for a smoother experience.

Document