Home » What is Car Remapping Services? Advantages and Disadvantages of Remapping

What is Car Remapping Services? Advantages and Disadvantages of Remapping

by Nathan Zachary
Car Remapping Services

Car Remapping Services

Remapping, also known as chip tuning, is the process of reprogramming a vehicle’s engine control unit (ECU) to increase engine performance. Remapping is mainly used to boost the power, torque, and fuel economy of engines, but it can also be used to alter shift points and provide smoother and better throttle response, as well as more precise fuel injection and ignition timing. In some cases, car remapping services will even reduce emissions to meet the standards of a particular area or provide an improved driving experience. Remapping can provide a noticeable improvement to your car’s power and responsiveness, as well as fuel economy, but it should be done by a professional who is qualified and certified to do it.

Advantages and Disadvantages of Remapping


Boost Power and Torque

One of the major advantages of remapping a vehicle’s engine is the noticeable improvement in power and torque that it provides. This can really help to put some pep in your step when accelerating and make overtaking on the highway much easier.

Improved Fuel Economy

Fuel economy is a major factor when it comes to owning a car, so improving fuel economy through remapping can be highly beneficial. Depending on the car remapping service and driving style, remapping can provide up to a 15% increase in fuel economy, resulting in more money staying in your pocket.

Improved Performance

Remapping can also provide an overall performance boost. This can be in terms of power, torque, and responsiveness, as well as improvements in shift points and throttle response.


Potential Damage to Engine

Engine remapping can increase engine performance, but it can also cause damage to the engine if done incorrectly or if the modifications are too extreme. Damage to the engine can result in lost performance and a reduction in fuel economy, making remapping counterproductive.

Warranty Issues

Some manufacturers and dealerships have begun to crack down on remapping and its effects on warranties, as they can be held liable for any damage caused by the modification. Be sure to read the warranty and talk to the dealership and manufacturer before remapping your vehicle, in case there is any possibility of voiding the warranty.


Remapping is not a cheap service and it can be pretty expensive depending on the complexity and the amount of time needed to complete the job. As a result, you should shop around and compare different companies and prices before deciding to go ahead with a remap.

Is Remapping Legal?

Remapping is legal as long as it complies with the applicable road traffic laws, and emissions limits and is not presenting a danger to the public. Remapping may not be legal in the case of emissions limitations, or where the modification affects a vehicle’s performance beyond what the manufacturer intended.

In the UK, ECU remapping is not specifically illegal and is regulated by the Vehicle and Operator Services Agency (VOSA). VOSA does not have any specific laws around ECU remapping, but any alteration that affects a vehicle’s emissions must be declared and officially approved by the VOSA.


Car Remapping Services can provide significant benefits in terms of increased power, torque, and fuel efficiency, but it should be done carefully. It is important to use reputable and experienced remapping companies or technicians to ensure that the work is done correctly and to consider the potential risks and benefits before deciding to remap a vehicle.

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