ModStock - Exhaust mods

🚗⚡ MODSTOCK XHP GEARBOX FLASHING – UNLOCK FASTER SHIFTS & MAX PERFORMANCE

Looking to get the most out of your BMW’s automatic gearbox? At Modstock, we specialise in professional XHP Gearbox Flashing designed to deliver sharper shifts, improved drivability, and enhanced performance across the full rev range.

Our expert gearbox tuning service optimises your transmission software to provide quicker gear changes, smoother acceleration, and a more responsive driving experience whether you’re daily driving or pushing your car hard. Perfect for BMW models including the M140i, M240i, M340i, X3M, X5M and many other ZF 6HP & 8HP equipped vehicles.

🔥 Why Choose Modstock XHP Gearbox Flashing?
✔ Faster, sportier gear shifts
✔ Improved launch and acceleration
✔ Enhanced torque handling for tuned vehicles
✔ Customisable shift maps (Comfort, Sport & Sport+)
✔ Better throttle response and driving feel
✔ Safe, reliable and fully reversible software

We use the latest XHP transmission tuning technology to safely flash your gearbox, ensuring maximum performance without compromising reliability. Ideal for remapped or modified cars looking to handle increased power efficiently.

🏁 Perfect Upgrade For:
• Stage 1 & Stage 2 tuned BMWs
• Performance enthusiasts
• Daily drivers wanting smoother shifts
• Track and fast road builds

At Modstock, we are trusted specialists in BMW coding, remapping, gearbox tuning and performance upgrades. Our experienced technicians ensure every flash is carried out professionally with precision and care.

📍 Professional Installation
⚙️ Advanced BMW Transmission Tuning
📅 Limited Appointments Available

Get booked in today for XHP Gearbox Flashing and transform the way your BMW drives.
Message Modstock now to secure your slot and experience the ultimate gearbox performance upgrade.

Our Supercharged E92 M3 track car will be returning to our workshop very soon 😎 lots of videos to come with this one 😮‍💨🔥🔥🔥