Choose your calibration.
Choose a power level supported by your package and car. Manage burble, cold start, Vmax and RPM in one place.
VIN authorisation required
BMW engine tuning, unlock and gearbox tuning at our Ataşehir workshop in Istanbul. Or manage your compatible BMW with our own iOS app.

Calibration options for supported vehicles. 321 HP requires a downpipe and E30 fuel; results depend on vehicle condition.
Calibration, diagnostics and live data. One app, right at your fingertips.
Choose a power level supported by your package and car. Manage burble, cold start, Vmax and RPM in one place.
VIN authorisation required
Follow live sensor data with Logger. Review how your car responds through recorded logs.
Free
Read and clear fault codes. Check lock status with Unlock Check and understand what is needed before flashing.
Free
Screens are shown in demo mode; vehicle and sensor values are simulated.
300 HP, feature coding and gearbox tuning in one package. Choose 321 Edition for 321 HP / 500 Nm.
Features depend on vehicle equipment and software compatibility. 321 Edition requires a downpipe and E30 fuel.
A supported, flash-ready BMW, your iPhone and an ENET connection.
Verified coverage: Turkish-market BMWs with the 1.6L B48B16 (1,597 cc / MG1CS003 ECU) engine — 320i (G20), 420i (G22/G26), 520i (G30) and X3 sDrive20i (G01). Coverage is expanding and will be announced here; ask anyway if your car is not listed.
MOSTUNED is available on the App Store. Fault reading / clearing, Unlock Check and Logger are free. Flash works with authorised VINs.
iOS 16.1+ · Türkçe / English
Download free on the App Store ↗Setup guide →iPhone + a compatible ENET / WiFi-ENET adapter. Contact us to verify your vehicle’s eligibility for Flash.
Yes. MOSTUNED is available to everyone. Download the app directly from the App Store for free. Flash requires vehicle compatibility, a suitable package and VIN authorisation.
Fault reading / clearing, Unlock Check and Logger are free. Flash requires a suitable package and VIN authorisation.
Yes. Users linked to VINs authorised by MOSTUNED can use Flash. Your vehicle must be supported, the ECU must be ready for writing and VIN access must be in place.
No. Coding and transmission services have a different scope from mobile Flash support. We check B48B16 / MG1CS003 compatibility for current Flash packages before purchase.
You need an iPhone with MOSTUNED and a compatible ENET or WiFi-ENET adapter. Complete the app’s power, connection and compatibility checks before flashing.
Choose Flasher to write your own compatible file, or a power package for MOSTUNED calibrations. The package guide helps based on your existing licence and target setup.
WhatsApp: +90 547 470 40 40
Email: [email protected]
Instagram: @mostuned
Istanbul · Monday–Saturday 09:00–18:00 (TR time) · Remote service by appointment
Send your model, hardware and goal — we will pick the right package together. We do not sell what does not fit.