01
M135i F20/F21 · 2012–2015
3.0 Turbo N55 · 320 PS
Power
320380BHP
Torque
450550NM
DRAGON PERFORMANCECENTRE
M135i
Compact BMW · serious performance
BMW M135i
Tuning.
Whether rear-driven N55 or xDrive B48, the M135i responds brilliantly to precise calibration with harder acceleration, sharper response and stronger overtaking performance.
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
M135i xDrive F40 · 2019–
2.0 Turbo B48 · 306 PS
Power
306360BHP
Torque
450520NM
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 M135i
tuning in Perth
Whether rear-driven N55 or xDrive B48, the M135i responds brilliantly to precise calibration with harder acceleration, sharper response and stronger overtaking performance. 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 M135i.
What gains can BMW M135i 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 M135i 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 M135i 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.