01
340i F30/F31 · 2015–2019
3.0 Turbo B58 · 326 PS
Power
326420BHP
Torque
450600NM
DRAGON PERFORMANCECENTRE
340i
B58 performance · everyday disguise
BMW 340i
Tuning.
The 340i’s B58 engine is famous for good reason. Stage 1 delivers M-car-rivalling urgency, huge mid-range strength and smooth power across the rev range.
Get my tuning quote →Stage 1 performance guide
More power.
More Dragon.
Choose your generation below. Figures are indicative targets for a healthy standard vehicle using suitable fuel; exact output varies by ECU software, hardware, fuel and vehicle condition.
02
M340i G20/G21 · 2019–
3.0 Turbo B58 · 374 PS
Power
374450BHP
Torque
500620NM
Built properly
Fast is easy.
Fast and right takes experience.
German-car specialistsFocused knowledge of BMW powertrains, ECUs and drivetrains.
Dyno-backed optionsMeasure the car before and after, with proof you can see.
Support that staysA permanent Perth workshop and a team that stands by its work.
Vehicle-specific advice
BMW 340i
tuning in Perth
The 340i’s B58 engine is famous for good reason. Stage 1 delivers M-car-rivalling urgency, huge mid-range strength and smooth power across the rev range. We match the calibration to the exact engine, ECU version, fuel and intended use. That creates usable performance rather than chasing a headline number, with clear advice before any work begins.
Frequently asked
questions.
Useful answers before you book your BMW 340i.
What gains can BMW 340i tuning deliver?
The table above shows indicative Stage 1 targets by engine and generation. The final result depends on ECU software, fuel, hardware and vehicle condition, so we confirm the right target after identifying your exact car.
Is BMW 340i tuning safe?
A responsible calibration works within sensible limits and begins with suitability checks. Maintenance history, fuel quality and existing faults matter, so we assess these before recommending a tuning route.
Do I need hardware changes for Stage 1?
Stage 1 is normally designed for a healthy vehicle on standard hardware. If your goals or existing modifications require supporting parts, we explain that before any work begins.
How do I get an exact quote?
Send the registration and your goals using the form below. We will identify the engine and software version, then provide vehicle-specific advice and pricing.
Your BMW 340i is capable of more
Ready to feel
the difference?
Tell us exactly what you drive. We’ll come back with honest advice, the right tuning route and a quote tailored to your car.