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We are proud to bring you what we know is the best M340i custom tune. We have over 15 years of experience in tuning BMW and the results will shock you. Get 150+ Horsepower on upgraded turbo setups The B58 engine is stout from factory and with a simple downpipe and tune will produce nearly 150+ horsepower than stock with upgraded turbos and be as reliable as it left the factory. It will turn your B58 powered BMW into a fun all around beast that you can drag, drift, circuit or autocross safely and reliably. With our tune you will get: Increased and controlled boost that safely increases with RPM for reliability A lot more useable torque thru cam timing tuning Better drivability in all RPMS and gears even with a big turbo High pressure fuel pump tuning when upgrading to B58TU or better pump Optimized AFR for high boost applications All engine safeties are upgraded so you don't blow your motor
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$950.00