Volkswagen Transporter BiTDI T5.1 Remapping and Tuning
Upgrade your Volkswagen Transporter BiTDI T5.1 180HP with professional Stage 1 and Stage 2 tuning from Onyx Performance in Slough, Berkshire.
The Volkswagen Transporter BiTDI T5.1 uses the 2.0 BiTDI diesel engine and responds very well to tuning. Whether you want more performance from a standard vehicle or are planning further upgrades, we can help with the complete setup.
We also offer servicing, diagnostics, exhausts, intakes, intercoolers, suspension, brakes, styling and vehicle security.
Suitable for Volkswagen Transporter BiTDI T5.1 180HP models from 2010 to 2015.
VOLKSWAGEN TRANSPORTER BITDI T5.1 STAGE 1 REMAP
Standard: 180HP / 400Nm
Stage 1: Up to 220HP / 450Nm
Stage 1 is ideal for a standard or lightly modified Volkswagen Transporter BiTDI T5.1. Major engine upgrades are normally not required.
A Stage 1 remap can improve:
- Power and torque
- Throttle response
- Acceleration
- Mid-range performance
- Overtaking performance
- Overall engine response
The vehicle will feel noticeably stronger while remaining smooth and easy to drive every day.
VOLKSWAGEN TRANSPORTER BITDI T5.1 STAGE 2 TUNING
Stage 2: Up to 235HP / 470Nm
Stage 2 is for customers looking for more performance with the correct supporting upgrades.
Typical supporting upgrades can include:
- Performance downpipe or sports catalyst
- Upgraded air intake
- Larger intercooler
- Performance exhaust
- Other supporting upgrades where required
Already have performance parts fitted? We can check your current setup and advise what else may be required.
Call 01753 439321 to discuss a Stage 2 package.
Power figures are estimated and can vary depending on fuel quality, vehicle condition, software version and modifications fitted.
VOLKSWAGEN TRANSPORTER BITDI T5.1 GEARBOX TUNING
We can advise on gearbox tuning options for compatible Volkswagen Transporter BiTDI T5.1 models.
Gearbox tuning can help improve:
- Gear change response
- Shift speed
- Torque handling
- Gearbox response
- Power delivery
- How the gearbox works with the increased engine power
We can advise whether gearbox tuning is suitable for your vehicle.
BEFORE TUNING
Every vehicle booked for tuning receives a full diagnostic scan before the remap is carried out.
We check for stored faults and anything obvious that could affect the tuning.
Where required, we may also carry out:
- Smoke testing
- Boost leak checks
- Intake leak checks
- Basic engine health checks
If we find a problem that could affect the tuning or reliability of the vehicle, we will discuss it with you before continuing.
Any repairs, replacement parts or further diagnostic work are charged separately and will only be carried out with your approval.
SERVICING AND MAINTENANCE FOR VOLKSWAGEN TRANSPORTER BITDI T5.1
Keep your Volkswagen Transporter BiTDI T5.1 properly maintained with servicing and repair work from our Slough workshop.
We offer:
- Oil and filter servicing
- Interim and major servicing
- Brake repairs and upgrades
- Diagnostics
- Cooling system repairs
- Suspension repairs
- Engine repairs
- General maintenance
Keeping a tuned Transporter BiTDI T5.1 properly serviced is important for performance and reliability.
VOLKSWAGEN TRANSPORTER BITDI T5.1 EXHAUST UPGRADES
Want your Transporter BiTDI T5.1 to sound better?
We can supply and fit:
- Performance exhaust systems
- Cat-back exhaust systems
- Performance downpipes
- Sports catalysts
- Exhaust modifications
- Custom exhaust work
We can help you choose the right setup depending on whether you want something subtle or more aggressive.
VOLKSWAGEN TRANSPORTER BITDI T5.1 PERFORMANCE UPGRADES
We can supply and fit a wide range of performance upgrades, including:
- Performance air intakes
- Turbo inlet upgrades
- Intercoolers
- Downpipes
- Sports catalysts
- Performance exhausts
- Turbo upgrades
- Fuel system upgrades
- Lowering springs
- Coilovers
- Brake upgrades
If you are planning a Stage 2 or higher power setup, speak to us before buying parts. We can help you choose the right upgrades for your target.
STYLING AND BODY UPGRADES
Transform the look of your Volkswagen Transporter BiTDI T5.1 with a range of styling upgrades.
- Front splitters
- Side skirts
- Rear diffusers
- Spoilers
- Bodykits
- Carbon styling parts
- Black styling parts
- Lowering springs
- Wheel spacers
- Alloy wheel upgrades
Whether you want a clean factory-style look or something more aggressive, speak to our team about the options available.
VOLKSWAGEN TRANSPORTER BITDI T5.1 VEHICLE SECURITY
The Transporter BiTDI T5.1 is a desirable vehicle, so additional security is worth considering.
We offer:
- Ghost immobilisers
- Vehicle trackers
- Additional immobiliser systems
- Other vehicle security upgrades
Security can be fitted while your Transporter BiTDI T5.1 is with us for tuning, servicing or other work.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance in Slough, we can look after your complete Volkswagen Transporter BiTDI T5.1.
Our services include:
- ECU remapping
- Gearbox tuning where compatible
- Diagnostics
- Servicing
- Mechanical repairs
- Exhaust upgrades
- Intakes
- Intercoolers
- Performance upgrades
- Suspension
- Brakes
- Styling and body upgrades
- Vehicle security
- Alloy wheel refurbishment
This means you can tune, service, repair and upgrade your Transporter BiTDI T5.1 in one place.
VOLKSWAGEN TRANSPORTER BITDI T5.1 REMAPPING IN SLOUGH
Onyx Performance is based in Slough, Berkshire, close to Windsor, Langley, Maidenhead, Heathrow, Uxbridge, West London and surrounding areas.
If you are looking for Volkswagen Transporter BiTDI T5.1 remapping in Slough, Transporter BiTDI T5.1 Stage 1 tuning, Transporter BiTDI T5.1 Stage 2 tuning or Volkswagen performance upgrades, contact our team.
FREQUENTLY ASKED QUESTIONS
How much power can a Volkswagen Transporter BiTDI T5.1 Stage 1 remap make?
The standard Transporter BiTDI T5.1 produces 180HP and 400Nm. A Stage 1 remap can increase this to approximately 220HP and 450Nm, depending on the vehicle and its condition.
Does Stage 1 need any modifications?
Major hardware upgrades are normally not required for Stage 1. The vehicle should be in good mechanical condition before tuning.
How much power can Stage 2 make?
A Stage 2 remap can produce up to approximately 235HP and 470Nm, depending on supporting modifications, fuel quality and vehicle condition.
What upgrades are needed for Stage 2?
Typical upgrades can include an upgraded air intake, performance downpipe, larger intercooler and performance exhaust. We can check your current setup and advise on the supporting modifications required.
What ECU does the Volkswagen Transporter BiTDI T5.1 use?
The Volkswagen Transporter BiTDI T5.1 uses Bosch EDC17C64 / EDC17CP20 ECUs. The exact ECU and software version can vary.
Do you offer gearbox tuning for the Volkswagen Transporter BiTDI T5.1?
We can advise on gearbox tuning options for compatible models. Contact us with your vehicle details so we can check suitability.
Do you service the Volkswagen Transporter BiTDI T5.1?
Yes. We offer servicing, diagnostics, repairs and general maintenance at our Slough workshop.
Can you supply and fit performance parts?
Yes. We can supply and fit performance exhausts, intakes, intercoolers, downpipes, suspension, brakes and other supporting upgrades.
Do you fit Ghost immobilisers and vehicle trackers?
Yes. We offer Ghost immobilisers, vehicle trackers and additional security upgrades, subject to vehicle compatibility.
Stage 3 Tuning: We also offer Stage 3 tuning for selected vehicles and engines. Get in touch to check whether Stage 3 tuning is available for your vehicle and to discuss the supporting upgrades required.
Please note: Some vehicles may require an ECU or TCU unlock before tuning. This may involve an additional cost and turnaround time. We will let you know before carrying out any extra work.
BOOK YOUR VOLKSWAGEN TRANSPORTER BITDI T5.1 REMAP
Ready to upgrade your Transporter BiTDI T5.1?
Book your Volkswagen Transporter BiTDI T5.1 Stage 1 remap with Onyx Performance in Slough, or contact us to discuss Stage 2 tuning and supporting upgrades.
We can also help with gearbox tuning, servicing, diagnostics, exhausts, intakes, intercoolers, performance parts, styling, brakes, suspension and vehicle security.
Call: 01753 439321
Monday-Friday: 10AM-6PM
Saturday: 10AM-3PM
Onyx Performance – Volkswagen Transporter BiTDI T5.1 Remapping and Performance Tuning in Slough, Berkshire.
CONTACT ONYX PERFORMANCE
Transform your Volkswagen Transporter BiTDI T5.1 today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, performance exhaust systems, styling enhancements, or vehicle security solutions, our expert team is here to help.
📞 Call us now on 01753 439321 to book your tuning service or discuss Stage 2 and security options!



