Global, remote,
perfected.

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.

BMWStage 1 → CustomBootmod3Message SamuelB58 / S58 / B48 / S55 / S63 / N55 specialistMHD TuningHand-calibrated, never templatedMessage SamuelMG FlasherManual file deliveryxHP FlashtoolMessage SamuelWorldwide remote24h turnaroundBMWStage 1 → CustomBootmod3Message SamuelB58 / S58 / B48 / S55 / S63 / N55 specialistMHD TuningHand-calibrated, never templatedMessage SamuelMG FlasherManual file deliveryxHP FlashtoolMessage SamuelWorldwide remote24h turnaround

Pick your engine

Find your chassis.
Open the configurator.

Don't know your engine? Search your model.

How it works

Three steps from spec to drive

No mystery, no upsell spreadsheet. The same simple path for a Stage 1 M140i and a 1000 bhp big-turbo M3.

01

Step

Pick your stage

Choose Stage 1, 2, 2+, hybrid or big-turbo. Add ethanol, multimap, flame tune, or flex fuel to fit your build.

02

Step

Send your build

WhatsApp Samuel with your full setup — chassis, hardware, intent. He quotes within hours, never days.

03

Step

Calibrate and drive

Files delivered manually within 24 hours of confirmation. You flash via your platform of choice. You drive.

Google reviews · 5.0

What BMW owners
actually say about me

Real reviews from BMW owners Samuel has tuned for, pulled straight from Google.

Google Review

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

Pick your chassis. Build your map. Drive

The configurator opens the moment you click your engine. WhatsApp is open if you’d rather talk first.