Unlock More Power, Torque & Fuel Efficiency from Your Volkswagen Diesel

At Onyx Performance, we specialise in Volkswagen diesel tuning, offering Stage 1 & Stage 2 ECU remapping to increase power, torque, and efficiency. Whether you drive a Volkswagen Golf TDI, Passat TDI, Tiguan TDI, or Transporter TDI, we provide custom ECU tuning and gearbox remapping using our state-of-the-art dyno for precise performance gains and improved drivability.

With expert calibration for all VW diesel engines, we ensure safe, reliable power upgrades, improving acceleration, throttle response, and fuel economy.

📍 Based in Slough, Berkshire – Easily accessible from London, Reading, Maidenhead, and surrounding areas.

📞 Call us today on 01753 439321 to book your Volkswagen diesel remap!

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Volkswagen Diesel ECU Remapping – What is It?

Volkswagen’s ECU (Engine Control Unit) comes with a factory-limited tune, designed to meet global emissions and efficiency standards. ECU remapping adjusts these settings, unlocking more power, better fuel economy, and sharper throttle response while maintaining safety and reliability.

✔ Increased Power & Torque – More responsive acceleration & stronger midrange power
✔ Improved Fuel Economy – Optimised fuel maps for better MPG
✔ Smoother Power Delivery – Reduced turbo lag & sharper throttle response
✔ Gearbox Tuning Available – Faster shifts & enhanced drivability (for DSG models)

At Onyx Performance, all our ECU remaps are tested on our 4WD Dyno, ensuring accurate, measured performance gains.

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Stage 1 & Stage 2 Volkswagen Diesel Tuning – Power Gains

We offer two tuning stages depending on your Volkswagen’s setup and supporting modifications.

🔹 Stage 1 – ECU Remap (Stock Hardware)

• Ideal for daily driving & economy-focused tuning
• No additional hardware required
• Safe & reliable tuning for long-term use

🚗 Power Gains (Estimated):

• 1.6 TDI (105HP) → 135HP & 300Nm
• 2.0 TDI (140HP) → 180HP & 400Nm
• 2.0 TDI (150HP) → 190HP & 420Nm
• 2.0 TDI (184HP) → 220HP & 450Nm
• 3.0 V6 TDI (204HP) → 280HP & 550Nm
• 3.0 V6 TDI (262HP) → 320HP & 650Nm

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🔹 Stage 2 – ECU & Gearbox Remap (With Upgraded Hardware)

• For maximum performance enthusiasts
• Requires supporting modifications to enhance airflow, cooling, and turbo efficiency
• Includes Stage 2 DSG Gearbox Remap (Recommended for DSG models)

🔧 Required Hardware Upgrades:

• High-Flow Air Filter – Enhances airflow & engine efficiency
• Decat Downpipe or High-Flow Sports Catalyst – Improves turbo performance & exhaust flow
• Larger Intercooler – Reduces intake temperatures for more consistent power
• EGR & DPF Solutions Available – For off-road & motorsport use

🚗 Power Gains (Estimated):

• 1.6 TDI (105HP) → 145HP & 320Nm
• 2.0 TDI (140HP) → 190HP & 420Nm
• 2.0 TDI (150HP) → 200HP & 440Nm
• 2.0 TDI (184HP) → 230HP & 470Nm
• 3.0 V6 TDI (204HP) → 300HP & 600Nm
• 3.0 V6 TDI (262HP) → 340HP & 700Nm

📞 Call us on 01753 439321 to discuss Stage 2 tuning options for your Volkswagen diesel!

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Volkswagen Diesel Models We Tune

At Onyx Performance, we offer ECU and gearbox remapping for nearly all Volkswagen diesel models from 2005 onwards. Some of the most popular vehicles we tune include:

🔹 Volkswagen Diesel Hatchbacks & Saloons

✔ Volkswagen Polo 1.4 TDI / 1.6 TDI / 1.9 TDI
✔ Volkswagen Golf 1.6 TDI / 2.0 TDI / GTD (MK5, MK6, MK7, MK8)
✔ Volkswagen Jetta 1.6 TDI / 2.0 TDI
✔ Volkswagen Passat 1.6 TDI / 2.0 TDI / 3.0 V6 TDI

🔹 Volkswagen Diesel SUVs & Vans

✔ Volkswagen Tiguan 2.0 TDI (150HP, 184HP, 200HP)
✔ Volkswagen Touareg 3.0 V6 TDI
✔ Volkswagen Amarok 2.0 TDI / 3.0 V6 TDI
✔ Volkswagen Transporter T5 / T6 / T6.1 2.0 TDI (102HP, 150HP, 204HP)
✔ Volkswagen Caddy 1.6 TDI / 2.0 TDI

📞 Call 01753 439321 to check if your Volkswagen is compatible for remapping!

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DSG Gearbox Tuning for Volkswagen Diesel Models

For Volkswagen automatic & DSG models, we offer Stage 1 & Stage 2 DSG tuning, improving shift speed, throttle response, and torque handling.

✔ Faster Gear Changes – Improved acceleration response
✔ Increased Torque Limits – Supports higher power outputs safely
✔ Smoother Downshifts – Better control in manual & sport modes
✔ Launch Control Optimisation – More consistent launches

🔧 Highly recommended for Stage 2 tuning to match higher power output.

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Why Choose Onyx Performance for Volkswagen Diesel Tuning?

✔ Rolling Road Dyno Tested – Every remap is measured for proven power gains
✔ Custom ECU Calibration – Tailored software for each VW model & driving style
✔ Safe & Reliable Tuning – We prioritise engine longevity & efficiency
✔ Servicing & Maintenance Available – Keep your Volkswagen running at peak performance
✔ Trusted by Thousands of VW Owners Across the UK

📍 Location: Slough, Berkshire
📞 Call Us: 01753 439321

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Book Your Volkswagen Diesel Remap Today

🚀 Unleash more power, torque, and efficiency with Onyx Performance! 🚀

📞 Call now on 01753 439321 to book your Volkswagen diesel ECU & gearbox remap!

🔹 Located in Slough, Berkshire – Easy access from London, Reading, and Maidenhead
🔹 Specialists in Volkswagen Diesel Performance Tuning & Servicing
🔹 Finance Options Available

Transform your Volkswagen with Onyx Performance – Drive faster, smoother, and more powerful!