BMW M4 Competition S55

MHD turns your phone into a full tuning suite. Flash proven off-the-shelf maps, switch between them in seconds and fine-tune dozens of options yourself — no laptop, no visit to the shop.

• Stage 1 / 2 / 2+ OTS maps — Proven off-the-shelf maps for stock cars and for cars with intake, downpipe and intercooler upgrades. Flash or return to stock in minutes.
• Map switching on the steering wheel — Store several maps (e.g. 93 octane, E30, valet) and switch between them on the fly with the cruise-control buttons — no app needed while driving.
• Burble (pops & crackles) control — Turn burbles on or off, set aggressiveness, duration and RPM range. On supported platforms burble can be toggled from the steering wheel.
• Launch control & anti-lag — Adjustable launch RPM, rolling anti-lag and flat-shift for brutal standing starts and roll races.
• Exhaust flap control — Keep the valves open in Sport, always open or stock behaviour.
• Speed limiter & start-stop — Raise or remove the speed limiter, disable auto start-stop by default, cold-start noise options.
• Ethanol & flex-fuel — E30 / E50 / flex-fuel support with ethanol sensor kits for maximum power.
• Live gauges & data logging — MHD Monitor shows boost, timing, IAT, knock and more in real time; log and share logs with your tuner.
• Read & clear fault codes — Diagnose and clear engine DTCs right from the app.
• Back to stock anytime — Your original software is backed up — flash back to factory before a dealer visit.

Bootmod3 is a cloud-connected platform: flash from your phone or browser, store all tunes in your account and get custom revisions remotely.

• OTS maps & custom tunes — Stage 1, Stage 2 and fuel-specific maps; custom tunes delivered through the cloud.
• Map switching on the fly — Switch between map slots using the steering-wheel cruise buttons.
• Burble & exhaust options — Adjustable burble mode, exhaust flap control and cold-start options.
• Launch control & antilag — Adjustable launch RPM, antilag and flat-shift (platform dependent).
• Flex-fuel — BEF flex-fuel support with ethanol sensor kits.
• Cloud logging — Logs are uploaded to the cloud for easy review by tuners.
• Phone or browser — Works via app or browser with a Wi-Fi / ENET adapter.
• Back to stock — Factory software backup in your account.

XHP Flashtool rewrites how your gearbox behaves: faster, firmer shifts, higher torque limits and smarter shift logic. As an official XHP dealer we flash it on site in minutes. XHP software comes with a 1 day test period.

• Faster, firmer shifts — Shift times reduced noticeably in Sport / Sport+.
• Higher torque limits — Removes factory torque limiters so your tuned engine delivers its full power.
• Manual mode holds gears — No forced upshift at the limiter in M / manual mode.
• Optimised shift points — Smarter downshifts, kick-down and rev-matching.
• Launch control improvements — Better launches with higher launch RPM.
• Phone control (full license) — With the control code / full license you adjust maps yourself in the XHP app.