xHP ZF 8HP 8-Speed Transmission Tune | Gearbox/TCU Remap (Stages 1-3) for Faster Shifts, Paddle Response & Launch Control | Nforcd UK Fitting

xHP software for ZF 8HP 8-speed is the go-to auto box calibration for cars running the ZF eight-speed automatic. If you want crisper gear changes, instant paddle inputs and smarter shift scheduling without losing daily comfort, this controller programming is the upgrade. We run it on our own cars and our customers consistently comment on the night-and-day improvement in drivability and response.

What you will feel

• Lightning-quick ratio changes and reduced shift lag for a more connected drive
• Increased clutch clamping pressure to handle tuned torque levels with confidence
• Torque management constraints relaxed to unleash performance safely
• Sharper paddle input recognition and intelligent shift strategy in every mode
• Live gear readout in Drive for clear, at-a-glance information
• Standing start control on supported vehicles for consistent launches
• Economy features such as coasting retained for relaxed cruising

Packages

Stage 1

• Factory torque management caps eased
• Gear indicator enabled in D

Stage 2

• Gear indicator in D retained
• Specific gear torque limiters lifted where applicable
• Hydraulic pressure maps raised for high-output setups
• Refined decel and shift logic to unlock additional shift programs
• Even quicker gear changes in Manual and Sport Plus with near-instant paddle acknowledgement
• Reworked shift points in D and S for improved throttle response
• Manual mode holds your chosen ratio with no forced upshift
• Selected transmission mode is kept when DSC is switched off
• Launch feature enabled where supported. Some vehicles may also require a DSC or DME update
• Eco coasting remains available

Stage 3

Includes everything in Stage 2 plus:

• Sport and Sport Plus calibrated for roll racing and circuit use, keeping the engine in the sweet spot and shifting like an experienced driver on track
• All other modes stay road-friendly for everyday use

Custom

• Bespoke parameters available. Details TBC

Why enthusiasts choose this upgrade

• Proven on our own fleet with excellent customer feedback
• Transforms the standard ZF 8HP behaviour without compromising reliability
• Ideal for remapped engines, hybrid turbo builds and high-torque applications
• Keeps OE safety strategies while removing the frustrating limits that blunt performance

Compatibility

Designed for vehicles fitted with the ZF 8HP 8-speed automatic used across many marques such as BMW, Audi, Jaguar, Land Rover, Alfa Romeo and others. Supported functions and behaviour can vary by model year and software level. Contact us to confirm coverage and the best stage for your build.

Professional flashing and booking

Have it installed by specialists. We offer full flashing and fitting at MJ Modifications, Warwickshire. Email info@mjmodifications.co.uk with your registration or VIN and a note of your current engine upgrades to request a quote and availability.

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Unlock the performance your ZF 8HP was built for with xHP. Order today or book your install at MJ Modifications.