01 / MOSTUNED APP
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
MOSTUNED / ENGINEERED FOR BMW
Unlock the power.
Take control.
BMW engine tuning, unlock and gearbox tuning at our Ataşehir workshop in Istanbul. Or manage your compatible BMW with our own iOS app.
Flash is live for authorised VINsCompatibility and access are verified for your VIN.
MOSTUNED FLASHiOS APP
CALIBRATION · CONTROL · DATAApp demo screen
01 / CALIBRATION280 / 300 / 320 HP
02 / PLATFORMB48B16 · MG1CS003
03 / CONNECTIONiPhone + ENET / WiFi-ENET
Calibration options for supported vehicles. 320 HP requires suitable hardware and fuel; results depend on vehicle condition.
FROM SOFTWARE TO THE ROAD
A new connection to your BMW.
Calibration, diagnostics and live data. One app, right at your fingertips.
02 / MOSTUNED APP
See the data. Understand your drive.
Follow live sensor data with Logger. Review how your car responds through recorded logs.
Free
03 / MOSTUNED APP
Know your car first.
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.
Choose your flash package.
For Turkish-market 1.6 B48B16 models (320i · 420i · 520i · X3 20i). Enter your VIN, pay right here on the site; access is granted automatically after payment.
Flasher
€350
- Write your own or your tuner's file
- Crackle, OPF/DP, Vmax, cold start, RPM included
- Original backup + return to stock
- No ready HP maps included
Flasher + 280/300 HP
€750
- Flasher + 280 and 300 HP ready maps
- Stock hardware, software only
- All features (crackle, OPF, Vmax…)
- Original backup + return to stock
Full: Flasher + 280/300 + 320
€900
- Flasher + all three stages
- 320 needs downpipe + suitable fuel
- €150 cheaper than buying one by one
- Original backup + return to stock
Already own the Flasher? 280/300 HP package €500, 320 HP add-on €200, both together €700. Pick your car and situation on Find my package to see the right price. You can check your car's eligibility for free from the app before buying.
Connect. Choose. Flash.
A supported, flash-ready BMW, your iPhone and an ENET connection.
- 1 Install MOSTUNED through TestFlight. Connect with a compatible ENET / WiFi-ENET adapter.
- 2 Check fault codes, ECU information and unlock status.
- 3 Verify compatibility; Flash requires VIN authorisation and a suitable package.
- 4 Complete the in-app preparation steps. Keep the connection stable while flashing.
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 / iOS APPConnect.
Connect.
Explore.
Be part of the experience.
MOSTUNED is available to everyone. Fault reading / clearing, Unlock Check and Logger are free. Flash works with authorised VINs. Beta testing continues for selected features.
Get it for iPhone ↗Setup guide →01
Read / Clear Faults
FREE02
Unlock Check
FREE03
Logger
FREEiPhone + a compatible ENET / WiFi-ENET adapter. Contact us to verify your vehicle’s eligibility for Flash.
Your questions, answered.
Is the app available to everyone?
Yes. MOSTUNED is available to everyone. Beta testing continues for selected features; install the app using the current TestFlight link. Flash requires vehicle compatibility, a suitable package and VIN authorisation.
Which features are free?
Fault reading / clearing, Unlock Check and Logger are free. Flash requires a suitable package and VIN authorisation.
Can I use Flash now?
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.
Does every BMW in the service catalogue support Flash?
No. Coding and transmission services have a different scope from mobile Flash support. We check B48B16 / MG1CS003 compatibility for current Flash packages before purchase.
What do I need to connect?
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.
Which package should I choose?
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.
Get to know Flash.
- What do you need to flash your BMW? — Vehicle compatibility, connection and VIN access: what to check before your first flash.
- What does Unlock Check check? — Understand the difference between an ECU lock check and VIN-authorised Flash access.
- Flasher or a ready-made power package? — Compare the licence to write your own file with MOSTUNED calibration packages.
- How do you use MOSTUNED Logger? — View live vehicle data, review recordings and prepare useful information for support.
Options included with Flash
- Burble / pops & bangs — Exhaust sound settings
- BMW coding & software prices — Every package in one table
Contact
Get in touch
WhatsApp: +90 547 470 40 40
Email: destek@mostuned.com
Instagram: @mostuned
Istanbul · Monday–Saturday 09:00–18:00 (TR time) · Remote service by appointment
Not sure?
Send your model, hardware and goal — we will pick the right package together. We do not sell what does not fit.