Pay in 4 interest-free payments of $161.88 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Purchasing a custom tune requires you to submit datalogs and entitles you up to six (6) revisions
Important note for all Android users
Our latest release is a Plug & Play Sequential Port Injection Kit fully controllable over CANBUS
Ethanol Content Analyzer
PTFE High Flow Return Fuel Line
G80 G82 M3 M4 STG1 Fuel System Upgrade Diagnostic Purchasing a custom tune requiresStage 1 fuel system upgrade designed to increase fuel delivery capacity for high horsepower S58 applications. This system is designed for BMW G80 M3 and G82 M4 platforms where additional low pressure fuel supply is required to support upgraded turbos, port injection, and higher ethanol blends. Our STG1 Fuel System Upgrade adds a second in tank fuel pump while retaining factory style plumbing and fuel routing. This allows the system to maintain stable
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