VW Transporter T5 2.5 174
ECU Tuning in Belfast

VW Transporter T5 2.5 174 power and torque after remapping

• Fuel: Diesel
• Standard power: 174 bhp, remapped: 209 bhp (+35 bhp, +20%)
• Standard torque: 400 Nm, remapped: 515 Nm (+115 Nm, +29%)
• Service: stage 1 ECU remap, fully dyno tested

How ECU tuning works on a diesel Volkswagen T4 Bus

Nothing is bolted on in a diesel remap. The ECU's stored maps for injection quantity, rail pressure and turbo boost are rewritten within safe limits, and because diesels make power through torque, that is where the improvement is most obvious.

How the VW Transporter T5 2.5 174 compares

Of the 6 diesel T4 Bus engines in our data, this one comes 4th for power gain, which is 1 bhp below the T4 Bus diesel average of 36 bhp.

Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 115 Nm sits at or above that benchmark.

Volkswagen T4 Bus engine remapping in Belfast

Based around Belfast, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Holywood, Newtownabbey, Millisle, Lisburn and Dunmurry and nearby areas of Northern Ireland.

All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.

If you are closer to Glasgow, Scotland and Carlisle, those neighbouring Remap Experts sites can help too.