Chiptuning-info

Key takeaways A remap is not illegal in itself, but removing or disabling emissions equipment is a different matter. On a diesel built with a particulate filter, a missing DPF fails the MOT, and GOV.UK says removing one is almost always illegal. The official DVSA guide on modifying emissions has been withdrawn for review, so always check current rules. A reputable tuner leaves every emissions system in place and working. People often ask whether chiptuning is legal in the UK. Changing engine software is not the problem. What matters is what the changes do to your car's emissions equipment. This guide uses official GOV.UK sources to explain where the line sits, so you can judge what a tuner is really offering you. What the MOT checks Since February 2014, the MOT exhaust inspection on diesel cars has included a check for the diesel particulate filter, or DPF. According to the government announcement of that change , a car that was fitted with a DPF as standard fails if the filter has...

Key takeaways Chiptuning is not illegal in itself, but the car must stay compliant with local rules. Emissions equipment such as the DPF, EGR and AdBlue system must stay in place and working. Tell your insurer about the change, or a claim could be reduced or refused. Rules differ by country, so check with your inspection centre before tuning. Many drivers assume that a remap is just a software update and therefore nobody needs to know about it. In reality, changing how an engine performs can have legal, insurance and inspection consequences. This guide explains the main points, using the European situation as a general reference. Rules vary from country to country, so treat this as an overview and not as legal advice. Is chiptuning legal? Modifying a car is not illegal in itself, but the vehicle has to remain compliant with the rules that apply to it. Cars are approved with a specific power output and emissions level, and in many countries a change that affects either of them has to be...