What’s Included
We flash your M3 or M4 with the official M4 GTS / CS software packages:
- DCT Gearbox (GTS) → faster, sharper shifts, reduced “kangaroo” effect, improved drivability in Sport & Sport+
- MDM / Traction Control (GTS) → better traction, more slip before intervention, better drifting, more natural control
- Differential (GTS) → stronger lock control, improved launch, cornering stability, straighter acceleration
- Steering (GTS) → stiffer, more precise steering with better road feedback
- EDC (CS) → if equipped, damper settings optimized for sharper response and better handling
Benefits You’ll Feel Immediately
- Gearbox feels alive: snappier upshifts, smoother downshifts
- Sportier, deeper exhaust character (on stock engines + tuned burbles)
- More control in MDM mode – car lets you play before cutting power
- Steering becomes sharper, confidence-inspiring
- Better launches, tighter cornering, and straighter stability at high speed