
ECU flash · cloud
Bootmod3
Cloud-based ECU flashing for B58, S58, N55, S55, B48, S63 and more. App-driven, OTA map delivery, end-to-end custom-tune support. Samuel's primary platform for G-series builds.
F-series · G-series
Hand-calibrated ECU and TCU files for every B58, S58, B48, S55, S63 and N55 BMW. Stage 1 to fully custom — built one car at a time, by Samuel.
The platforms behind the tune
Samuel calibrates files for the four platforms BMW tuning runs on. Pick the one your car already supports — or ask Samuel which suits your chassis best.

ECU flash · cloud
Cloud-based ECU flashing for B58, S58, N55, S55, B48, S63 and more. App-driven, OTA map delivery, end-to-end custom-tune support. Samuel's primary platform for G-series builds.
F-series · G-series

ECU flash · mobile app
Mobile-app ECU flasher with deep heritage on N54, N55 and S55. Android and iOS, OBD-cable based — the established choice for E and F-series turbo builds.
E-series · F-series

ECU flash · desktop
European-rooted ECU platform with strong B58 and S58 support. Custom file delivery, simple workflow, growing fast in the EU and Middle East market.
B58 · S58 specialist

TCU flash · gearbox
ZF 8HP transmission tuner. Faster shifts, raised torque limits, launch control. The companion to any serious power upgrade — your gearbox needs to keep up.
ZF 8HP · DKG
Message SamuelB58 / S58 / B48 / S55 / S63 / N55 specialist
Hand-calibrated, never templatedMessage Samuel
Manual file delivery
Message SamuelWorldwide remote24h turnaround
Message SamuelB58 / S58 / B48 / S55 / S63 / N55 specialist
Hand-calibrated, never templatedMessage Samuel
Manual file delivery
Message SamuelWorldwide remote24h turnaroundPick your engine
Don't know your engine? Search your model.
Circuit Package · CS+
Setup for the terrain — coolant headroom, brake-recovery temps, torque delivery for corner exit, fuel strategy through fast complexes. Different intent, not a different stage.
Explore Track TuningHow it works
No mystery, no upsell spreadsheet. The same simple path for a Stage 1 M140i and a 1000 bhp big-turbo M3.
01
Step
Choose Stage 1, 2, 2+, hybrid or big-turbo. Add ethanol, multimap, flame tune, or flex fuel to fit your build.
02
Step
WhatsApp Samuel with your full setup — chassis, hardware, intent. He quotes within hours, never days.
03
Step
Files delivered manually within 24 hours of confirmation. You flash via your platform of choice. You drive.
Real reviews from BMW owners Samuel has tuned for, pulled straight from Google.
“Samuel is on another level honestly. I've used him for ECU & TCU mapping on my X4M Competition, M140i, 330e and Golf R, and every single car has come back feeling absolutely unreal. The difference in performance and drivability is night and day. The X4M now pulls like a freight train, the M140i feels savage, the 330e is smoother and way more responsive, and the Golf R absolutely flies through the gears. Throttle response is instant, shifts are crisp and aggressive when you want them to be, but still smooth enough for daily driving. What impressed me most wasn't just the tuning — it was the service. I turned up with three cars in one go which most places would moan about or rush through, but Samuel stayed late without hesitation just to make sure every single car was done properly.”
X4M / M140i / 330e / Golf R owner
Three cars in one visit
Ready when you are
The configurator opens the moment you click your engine. WhatsApp is open if you’d rather talk first.